690534342958 has 8 divisors (see below), whose sum is σ = 1038038668128. Its totient is φ = 344521453584.

The previous prime is 690534342941. The next prime is 690534342959. The reversal of 690534342958 is 859243435096.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (690534342959) 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, 372857791 + ... + 372859642.

It is an arithmetic number, because the mean of its divisors is an integer number (129754833516).

Almost surely, 2^690534342958 is an apocalyptic number.

690534342958 is a deficient number, since it is larger than the sum of its proper divisors (347504325170).

690534342958 is a wasteful number, since it uses less digits than its factorization.

690534342958 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 745717898.

The product of its (nonzero) digits is 27993600, while the sum is 58.

The spelling of 690534342958 in words is "six hundred ninety billion, five hundred thirty-four million, three hundred forty-two thousand, nine hundred fifty-eight".