12619772697 has 32 divisors (see below), whose sum is σ = 20261862400. Its totient is φ = 6825135168.

The previous prime is 12619772629. The next prime is 12619772701. The reversal of 12619772697 is 79627791621.

It is a happy number.

It is not a de Polignac number, because 12619772697 - 2¹¹ = 12619770649 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12619773697) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 411738 + ... + 441324.

It is an arithmetic number, because the mean of its divisors is an integer number (633183200).

Almost surely, 2^12619772697 is an apocalyptic number.

It is an amenable number.

12619772697 is a deficient number, since it is larger than the sum of its proper divisors (7642089703).

12619772697 is a wasteful number, since it uses less digits than its factorization.

12619772697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30685.

The product of its digits is 4000752, while the sum is 57.

The spelling of 12619772697 in words is "twelve billion, six hundred nineteen million, seven hundred seventy-two thousand, six hundred ninety-seven".