699609724342 has 32 divisors (see below), whose sum is σ = 1091746893600. Its totient is φ = 336053276928.

The previous prime is 699609724321. The next prime is 699609724343. The reversal of 699609724342 is 243427906996.

It is a Smith number, since the sum of its digits (61) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (699609724343) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 566368 + ... + 1311484.

It is an arithmetic number, because the mean of its divisors is an integer number (34117090425).

Almost surely, 2^699609724342 is an apocalyptic number.

699609724342 is a deficient number, since it is larger than the sum of its proper divisors (392137169258).

699609724342 is a wasteful number, since it uses less digits than its factorization.

699609724342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 745360.

The product of its (nonzero) digits is 35271936, while the sum is 61.

The spelling of 699609724342 in words is "six hundred ninety-nine billion, six hundred nine million, seven hundred twenty-four thousand, three hundred forty-two".