13699445697 has 36 divisors (see below), whose sum is σ = 22992166080. Its totient is φ = 7699790880.

The previous prime is 13699445653. The next prime is 13699445707. The reversal of 13699445697 is 79654499631.

13699445697 is a `hidden beast` number, since 1 + 3 + 6 + 9 + 94 + 456 + 97 = 666.

It is not a de Polignac number, because 13699445697 - 2¹⁶ = 13699380161 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is not an unprimeable number, because it can be changed into a prime (13699445297) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 205204 + ... + 263642.

It is an arithmetic number, because the mean of its divisors is an integer number (638671280).

Almost surely, 2^13699445697 is an apocalyptic number.

It is an amenable number.

13699445697 is a deficient number, since it is larger than the sum of its proper divisors (9292720383).

13699445697 is an equidigital number, since it uses as much as digits as its factorization.

13699445697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58574 (or 58510 counting only the distinct ones).

The product of its digits is 44089920, while the sum is 63.

The spelling of 13699445697 in words is "thirteen billion, six hundred ninety-nine million, four hundred forty-five thousand, six hundred ninety-seven".