672609969477113 has 4 divisors (see below), whose sum is σ = 672639703373988. Its totient is φ = 672580235580240.

The previous prime is 672609969477029. The next prime is 672609969477133. The reversal of 672609969477113 is 311774969906276.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 544646747678224 + 127963221798889 = 23337668^2 + 11312083^2 .

It is a cyclic number.

It is not a de Polignac number, because 672609969477113 - 2¹⁶ = 672609969411577 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (672609969477133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14866914506 + ... + 14866959747.

It is an arithmetic number, because the mean of its divisors is an integer number (168159925843497).

Almost surely, 2^{672609969477113} is an apocalyptic number.

It is an amenable number.

672609969477113 is a deficient number, since it is larger than the sum of its proper divisors (29733896875).

672609969477113 is a wasteful number, since it uses less digits than its factorization.

672609969477113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29733896874.

The product of its (nonzero) digits is 1296243648, while the sum is 77.

The spelling of 672609969477113 in words is "six hundred seventy-two trillion, six hundred nine billion, nine hundred sixty-nine million, four hundred seventy-seven thousand, one hundred thirteen".