690526429696 has 20 divisors (see below), whose sum is σ = 1379704175982. Its totient is φ = 345263214592.

The previous prime is 690526429687. The next prime is 690526429739. The reversal of 690526429696 is 696924625096.

It can be written as a sum of positive squares in only one way, i.e., 659993760000 + 30532669696 = 812400^2 + 174736^2 .

It is a Harshad number since it is a multiple of its sum of digits (64).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 674341705 + ... + 674342728.

Almost surely, 2^690526429696 is an apocalyptic number.

It is an amenable number.

690526429696 is a deficient number, since it is larger than the sum of its proper divisors (689177746286).

690526429696 is an equidigital number, since it uses as much as digits as its factorization.

690526429696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1348684451 (or 1348684435 counting only the distinct ones).

The product of its (nonzero) digits is 75582720, while the sum is 64.

The spelling of 690526429696 in words is "six hundred ninety billion, five hundred twenty-six million, four hundred twenty-nine thousand, six hundred ninety-six".