1670962119649 has 3 divisors (see below), whose sum is σ = 1670963412307. Its totient is φ = 1670960826992.

The previous prime is 1670962119637. The next prime is 1670962119677. The reversal of 1670962119649 is 9469112690761.

The square root of 1670962119649 is 1292657.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 552799685025 + 1118162434624 = 743505^2 + 1057432^2 .

It is not a de Polignac number, because 1670962119649 - 2¹⁵ = 1670962086881 is a prime.

It is a super-2 number, since 2×1670962119649² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1670962119679) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 646329 + ... + 1938985.

Almost surely, 2^{1670962119649} is an apocalyptic number.

1670962119649 is the 1292657-th square number.

1670962119649 is the 646329-th centered octagonal number.

It is an amenable number.

1670962119649 is a deficient number, since it is larger than the sum of its proper divisors (1292658).

1670962119649 is an frugal number, since it uses more digits than its factorization.

1670962119649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2585314 (or 1292657 counting only the distinct ones).

The product of its (nonzero) digits is 8817984, while the sum is 61.

The spelling of 1670962119649 in words is "one trillion, six hundred seventy billion, nine hundred sixty-two million, one hundred nineteen thousand, six hundred forty-nine".