12745373530 has 16 divisors (see below), whose sum is σ = 22964337864. Its totient is φ = 5093112640.

The previous prime is 12745373519. The next prime is 12745373533. The reversal of 12745373530 is 3537354721.

It can be written as a sum of positive squares in 4 ways, for example, as 5005421001 + 7739952529 = 70749^2 + 87977^2 .

It is not an unprimeable number, because it can be changed into a prime (12745373533) 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, 618961 + ... + 639220.

Almost surely, 2^12745373530 is an apocalyptic number.

12745373530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12745373530 is a deficient number, since it is larger than the sum of its proper divisors (10218964334).

12745373530 is a wasteful number, since it uses less digits than its factorization.

12745373530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1259201.

The product of its (nonzero) digits is 264600, while the sum is 40.

The spelling of 12745373530 in words is "twelve billion, seven hundred forty-five million, three hundred seventy-three thousand, five hundred thirty".