21849458270 has 16 divisors (see below), whose sum is σ = 39718423008. Its totient is φ = 8653250400.

The previous prime is 21849458251. The next prime is 21849458287. The reversal of 21849458270 is 7285494812.

21849458270 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

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, 10815554 + ... + 10817573.

It is an arithmetic number, because the mean of its divisors is an integer number (2482401438).

Almost surely, 2^21849458270 is an apocalyptic number.

21849458270 is a deficient number, since it is larger than the sum of its proper divisors (17868964738).

21849458270 is a wasteful number, since it uses less digits than its factorization.

21849458270 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21633235.

The product of its (nonzero) digits is 1290240, while the sum is 50.

The spelling of 21849458270 in words is "twenty-one billion, eight hundred forty-nine million, four hundred fifty-eight thousand, two hundred seventy".