1671235022969 has 16 divisors (see below), whose sum is σ = 1836050371200. Its totient is φ = 1514132902656.

The previous prime is 1671235022917. The next prime is 1671235022987. The reversal of 1671235022969 is 9692205321761.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1671235022969 - 2²⁸ = 1670966587513 is a prime.

It is a super-2 number, since 2×1671235022969² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1671235022969.

It is not an unprimeable number, because it can be changed into a prime (1671235022069) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1807187 + ... + 2570679.

It is an arithmetic number, because the mean of its divisors is an integer number (114753148200).

Almost surely, 2^{1671235022969} is an apocalyptic number.

1671235022969 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

1671235022969 is a deficient number, since it is larger than the sum of its proper divisors (164815348231).

1671235022969 is a wasteful number, since it uses less digits than its factorization.

1671235022969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 768544.

The product of its (nonzero) digits is 2449440, while the sum is 53.

The spelling of 1671235022969 in words is "one trillion, six hundred seventy-one billion, two hundred thirty-five million, twenty-two thousand, nine hundred sixty-nine".