12610445438 has 16 divisors (see below), whose sum is σ = 19051470000. Its totient is φ = 6259995072.

The previous prime is 12610445437. The next prime is 12610445443. The reversal of 12610445438 is 83454401621.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12610445437) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 724178 + ... + 741386.

It is an arithmetic number, because the mean of its divisors is an integer number (1190716875).

Almost surely, 2^12610445438 is an apocalyptic number.

12610445438 is a deficient number, since it is larger than the sum of its proper divisors (6441024562).

12610445438 is a wasteful number, since it uses less digits than its factorization.

12610445438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19819.

The product of its (nonzero) digits is 92160, while the sum is 38.

The spelling of 12610445438 in words is "twelve billion, six hundred ten million, four hundred forty-five thousand, four hundred thirty-eight".