12655463451 has 8 divisors (see below), whose sum is σ = 16878054480. Its totient is φ = 8434924032.

The previous prime is 12655463419. The next prime is 12655463473. The reversal of 12655463451 is 15436455621.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12655463451 - 2⁵ = 12655463419 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12655468451) 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, 498450 + ... + 523223.

It is an arithmetic number, because the mean of its divisors is an integer number (2109756810).

Almost surely, 2^12655463451 is an apocalyptic number.

12655463451 is a deficient number, since it is larger than the sum of its proper divisors (4222591029).

12655463451 is a wasteful number, since it uses less digits than its factorization.

12655463451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1025805.

The product of its digits is 432000, while the sum is 42.

The spelling of 12655463451 in words is "twelve billion, six hundred fifty-five million, four hundred sixty-three thousand, four hundred fifty-one".