13146534650 has 24 divisors (see below), whose sum is σ = 24456882204. Its totient is φ = 5257683200.

The previous prime is 13146534637. The next prime is 13146534671. The reversal of 13146534650 is 5643564131.

It can be written as a sum of positive squares in 6 ways, for example, as 4636656649 + 8509878001 = 68093^2 + 92249^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 309074 + ... + 349026.

Almost surely, 2^13146534650 is an apocalyptic number.

13146534650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13146534650 is a deficient number, since it is larger than the sum of its proper divisors (11310347554).

13146534650 is a wasteful number, since it uses less digits than its factorization.

13146534650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46546 (or 46541 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 38.

The spelling of 13146534650 in words is "thirteen billion, one hundred forty-six million, five hundred thirty-four thousand, six hundred fifty".