21569045710 has 16 divisors (see below), whose sum is σ = 38903362992. Its totient is φ = 8610044800.

The previous prime is 21569045699. The next prime is 21569045723. The reversal of 21569045710 is 1754096512.

It is a congruent number.

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, 2191531 + ... + 2201350.

It is an arithmetic number, because the mean of its divisors is an integer number (2431460187).

Almost surely, 2^21569045710 is an apocalyptic number.

21569045710 is a deficient number, since it is larger than the sum of its proper divisors (17334317282).

21569045710 is a wasteful number, since it uses less digits than its factorization.

21569045710 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4393379.

The product of its (nonzero) digits is 75600, while the sum is 40.

The spelling of 21569045710 in words is "twenty-one billion, five hundred sixty-nine million, forty-five thousand, seven hundred ten".