1672992031481 has 4 divisors (see below), whose sum is σ = 1674252765312. Its totient is φ = 1671731297652.

The previous prime is 1672992031429. The next prime is 1672992031489. The reversal of 1672992031481 is 1841302992761.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1672992031481 is a prime.

It is a super-3 number, since 3×1672992031481³ (a number of 38 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1672992031489) 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 3 ways as a sum of consecutive naturals, for example, 630364925 + ... + 630367578.

It is an arithmetic number, because the mean of its divisors is an integer number (418563191328).

Almost surely, 2^{1672992031481} is an apocalyptic number.

It is an amenable number.

1672992031481 is a deficient number, since it is larger than the sum of its proper divisors (1260733831).

1672992031481 is a wasteful number, since it uses less digits than its factorization.

1672992031481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1260733830.

The product of its (nonzero) digits is 1306368, while the sum is 53.

The spelling of 1672992031481 in words is "one trillion, six hundred seventy-two billion, nine hundred ninety-two million, thirty-one thousand, four hundred eighty-one".