69757991690 has 16 divisors (see below), whose sum is σ = 125649080928. Its totient is φ = 27884375376.

The previous prime is 69757991663. The next prime is 69757991713. The reversal of 69757991690 is 9619975796.

It is a super-2 number, since 2×69757991690² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 69757991690.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2337092 + ... + 2366751.

It is an arithmetic number, because the mean of its divisors is an integer number (7853067558).

Almost surely, 2^69757991690 is an apocalyptic number.

69757991690 is a deficient number, since it is larger than the sum of its proper divisors (55891089238).

69757991690 is a wasteful number, since it uses less digits than its factorization.

69757991690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4705333.

The product of its (nonzero) digits is 57868020, while the sum is 68.

The spelling of 69757991690 in words is "sixty-nine billion, seven hundred fifty-seven million, nine hundred ninety-one thousand, six hundred ninety".