690279952346 has 8 divisors (see below), whose sum is σ = 1038749253984. Its totient is φ = 344030201020.

The previous prime is 690279952301. The next prime is 690279952367. The reversal of 690279952346 is 643259972096.

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

It is a super-2 number, since 2×690279952346² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 554886800 + ... + 554888043.

It is an arithmetic number, because the mean of its divisors is an integer number (129843656748).

Almost surely, 2^690279952346 is an apocalyptic number.

690279952346 is a deficient number, since it is larger than the sum of its proper divisors (348469301638).

690279952346 is a wasteful number, since it uses less digits than its factorization.

690279952346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1109775156.

The product of its (nonzero) digits is 44089920, while the sum is 62.

The spelling of 690279952346 in words is "six hundred ninety billion, two hundred seventy-nine million, nine hundred fifty-two thousand, three hundred forty-six".