690068971059 has 64 divisors (see below), whose sum is σ = 1029969174528. Its totient is φ = 408097382400.

The previous prime is 690068971037. The next prime is 690068971079. The reversal of 690068971059 is 950179860096.

It is not a de Polignac number, because 690068971059 - 2²³ = 690060582451 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 690068970993 and 690068971011.

It is not an unprimeable number, because it can be changed into a prime (690068971079) by changing a digit.

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 63 ways as a sum of consecutive naturals, for example, 254542714 + ... + 254545424.

It is an arithmetic number, because the mean of its divisors is an integer number (16093268352).

Almost surely, 2^690068971059 is an apocalyptic number.

690068971059 is a deficient number, since it is larger than the sum of its proper divisors (339900203469).

690068971059 is a wasteful number, since it uses less digits than its factorization.

690068971059 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4148.

The product of its (nonzero) digits is 7348320, while the sum is 60.

The spelling of 690068971059 in words is "six hundred ninety billion, sixty-eight million, nine hundred seventy-one thousand, fifty-nine".