69934897799 has 4 divisors (see below), whose sum is σ = 75314505336. Its totient is φ = 64555290264.

The previous prime is 69934897793. The next prime is 69934897807. The reversal of 69934897799 is 99779843996.

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 69934897799 - 2²⁸ = 69666462343 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 (69934897793) 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, 2689803749 + ... + 2689803774.

It is an arithmetic number, because the mean of its divisors is an integer number (18828626334).

Almost surely, 2^69934897799 is an apocalyptic number.

69934897799 is a deficient number, since it is larger than the sum of its proper divisors (5379607537).

69934897799 is a wasteful number, since it uses less digits than its factorization.

69934897799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5379607536.

The product of its digits is 1666598976, while the sum is 80.

The spelling of 69934897799 in words is "sixty-nine billion, nine hundred thirty-four million, eight hundred ninety-seven thousand, seven hundred ninety-nine".