690239007259 has 4 divisors (see below), whose sum is σ = 691656336304. Its totient is φ = 688821678216.

The previous prime is 690239007187. The next prime is 690239007307. The reversal of 690239007259 is 952700932096.

690239007259 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-690239007259 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (690239007959) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 708663792 + ... + 708664765.

It is an arithmetic number, because the mean of its divisors is an integer number (172914084076).

Almost surely, 2^690239007259 is an apocalyptic number.

690239007259 is a deficient number, since it is larger than the sum of its proper divisors (1417329045).

690239007259 is a wasteful number, since it uses less digits than its factorization.

690239007259 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1417329044.

The product of its (nonzero) digits is 1837080, while the sum is 52.

The spelling of 690239007259 in words is "six hundred ninety billion, two hundred thirty-nine million, seven thousand, two hundred fifty-nine".