12740553351 has 6 divisors (see below), whose sum is σ = 18403021520. Its totient is φ = 8493702228.

The previous prime is 12740553239. The next prime is 12740553359. The reversal of 12740553351 is 15335504721.

12740553351 is a `hidden beast` number, since 1 + 2 + 74 + 0 + 5 + 533 + 51 = 666.

It is not a de Polignac number, because 12740553351 - 2¹⁰ = 12740552327 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12740553359) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 707808511 + ... + 707808528.

Almost surely, 2^12740553351 is an apocalyptic number.

12740553351 is a deficient number, since it is larger than the sum of its proper divisors (5662468169).

12740553351 is a wasteful number, since it uses less digits than its factorization.

12740553351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1415617045 (or 1415617042 counting only the distinct ones).

The product of its (nonzero) digits is 63000, while the sum is 36.

The spelling of 12740553351 in words is "twelve billion, seven hundred forty million, five hundred fifty-three thousand, three hundred fifty-one".