13690653977 has 32 divisors (see below), whose sum is σ = 18463140864. Its totient is φ = 9803880000.

The previous prime is 13690653971. The next prime is 13690653989. The reversal of 13690653977 is 77935609631.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 13690653977 - 2⁶ = 13690653913 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13690653971) 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, 197102 + ... + 257352.

It is an arithmetic number, because the mean of its divisors is an integer number (576973152).

Almost surely, 2^13690653977 is an apocalyptic number.

It is an amenable number.

13690653977 is a deficient number, since it is larger than the sum of its proper divisors (4772486887).

13690653977 is a wasteful number, since it uses less digits than its factorization.

13690653977 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60509.

The product of its (nonzero) digits is 6429780, while the sum is 56.

The spelling of 13690653977 in words is "thirteen billion, six hundred ninety million, six hundred fifty-three thousand, nine hundred seventy-seven".