699542412 has 12 divisors (see below), whose sum is σ = 1632265656. Its totient is φ = 233180800.

The previous prime is 699542411. The next prime is 699542443. The reversal of 699542412 is 214245996.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (699542411) 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, 29147589 + ... + 29147612.

It is an arithmetic number, because the mean of its divisors is an integer number (136022138).

Almost surely, 2^699542412 is an apocalyptic number.

It is an amenable number.

699542412 is an abundant number, since it is smaller than the sum of its proper divisors (932723244).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

699542412 is a wasteful number, since it uses less digits than its factorization.

699542412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58295208 (or 58295206 counting only the distinct ones).

The product of its digits is 155520, while the sum is 42.

The square root of 699542412 is about 26448.8640965921. The cubic root of 699542412 is about 887.7104861332.

The spelling of 699542412 in words is "six hundred ninety-nine million, five hundred forty-two thousand, four hundred twelve".