690351703842 has 16 divisors (see below), whose sum is σ = 1382040015840. Its totient is φ = 229894466592.

The previous prime is 690351703837. The next prime is 690351703907. The reversal of 690351703842 is 248307153096.

It is a junction number, because it is equal to n+sod(n) for n = 690351703791 and 690351703800.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55685292 + ... + 55697687.

It is an arithmetic number, because the mean of its divisors is an integer number (86377500990).

It is a 1-persistent number, because it is pandigital, but 2⋅690351703842 = 1380703407684 is not.

Almost surely, 2^690351703842 is an apocalyptic number.

690351703842 is an abundant number, since it is smaller than the sum of its proper divisors (691688311998).

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

690351703842 is a wasteful number, since it uses less digits than its factorization.

690351703842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111384017.

The product of its (nonzero) digits is 1088640, while the sum is 48.

The spelling of 690351703842 in words is "six hundred ninety billion, three hundred fifty-one million, seven hundred three thousand, eight hundred forty-two".