5631890342 has 32 divisors (see below), whose sum is σ = 9609600000. Its totient is φ = 2456969760.

The previous prime is 5631890333. The next prime is 5631890353. The reversal of 5631890342 is 2430981365.

It is a self number, because there is not a number n which added to its sum of digits gives 5631890342.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46592 + ... + 115907.

It is an arithmetic number, because the mean of its divisors is an integer number (300300000).

Almost surely, 2^5631890342 is an apocalyptic number.

5631890342 is a deficient number, since it is larger than the sum of its proper divisors (3977709658).

5631890342 is a wasteful number, since it uses less digits than its factorization.

5631890342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162588.

The product of its (nonzero) digits is 155520, while the sum is 41.

The square root of 5631890342 is about 75045.9215547387. The cubic root of 5631890342 is about 1779.1725251642.

The spelling of 5631890342 in words is "five billion, six hundred thirty-one million, eight hundred ninety thousand, three hundred forty-two".