12634417354 has 24 divisors (see below), whose sum is σ = 20678308992. Its totient is φ = 5786735760.

The previous prime is 12634417351. The next prime is 12634417363. The reversal of 12634417354 is 45371443621.

It is a super-2 number, since 2×12634417354² (a number of 21 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (12634417351) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 98394 + ... + 186949.

It is an arithmetic number, because the mean of its divisors is an integer number (861596208).

Almost surely, 2^12634417354 is an apocalyptic number.

12634417354 is a deficient number, since it is larger than the sum of its proper divisors (8043891638).

12634417354 is a wasteful number, since it uses less digits than its factorization.

12634417354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285502 (or 285489 counting only the distinct ones).

The product of its digits is 241920, while the sum is 40.

The spelling of 12634417354 in words is "twelve billion, six hundred thirty-four million, four hundred seventeen thousand, three hundred fifty-four".