103964691599 has 4 divisors (see below), whose sum is σ = 107318391360. Its totient is φ = 100610991840.

The previous prime is 103964691583. The next prime is 103964691653. The reversal of 103964691599 is 995196469301.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 103964691599 - 2⁴ = 103964691583 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 (103964691559) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1676849834 + ... + 1676849895.

It is an arithmetic number, because the mean of its divisors is an integer number (26829597840).

Almost surely, 2^103964691599 is an apocalyptic number.

103964691599 is a deficient number, since it is larger than the sum of its proper divisors (3353699761).

103964691599 is an equidigital number, since it uses as much as digits as its factorization.

103964691599 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3353699760.

The product of its (nonzero) digits is 14171760, while the sum is 62.

The spelling of 103964691599 in words is "one hundred three billion, nine hundred sixty-four million, six hundred ninety-one thousand, five hundred ninety-nine".