690687089235 has 768 divisors, whose sum is σ = 1651713638400. Its totient is φ = 269130470400.

The previous prime is 690687089233. The next prime is 690687089237. The reversal of 690687089235 is 532980786096.

It is an interprime number because it is at equal distance from previous prime (690687089233) and next prime (690687089237).

It is not a de Polignac number, because 690687089235 - 2¹ = 690687089233 is a prime.

It is a super-3 number, since 3×690687089235³ (a number of 36 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (690687089233) by changing a digit.

It is a polite number, since it can be written in 767 ways as a sum of consecutive naturals, for example, 4968971796 + ... + 4968971934.

It is an arithmetic number, because the mean of its divisors is an integer number (2150668800).

Almost surely, 2^690687089235 is an apocalyptic number.

690687089235 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

690687089235 is an abundant number, since it is smaller than the sum of its proper divisors (961026549165).

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

690687089235 is a wasteful number, since it uses less digits than its factorization.

690687089235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269 (or 244 counting only the distinct ones).

The product of its (nonzero) digits is 39191040, while the sum is 63.

The spelling of 690687089235 in words is "six hundred ninety billion, six hundred eighty-seven million, eighty-nine thousand, two hundred thirty-five".