21836950954 has 32 divisors (see below), whose sum is σ = 40360634496. Its totient is φ = 8628880320.

The previous prime is 21836950951. The next prime is 21836950969. The reversal of 21836950954 is 45905963812.

It is not an unprimeable number, because it can be changed into a prime (21836950951) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 91209 + ... + 228019.

It is an arithmetic number, because the mean of its divisors is an integer number (1261269828).

Almost surely, 2^21836950954 is an apocalyptic number.

21836950954 is a deficient number, since it is larger than the sum of its proper divisors (18523683542).

21836950954 is a wasteful number, since it uses less digits than its factorization.

21836950954 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137710.

The product of its (nonzero) digits is 2332800, while the sum is 52.

The spelling of 21836950954 in words is "twenty-one billion, eight hundred thirty-six million, nine hundred fifty thousand, nine hundred fifty-four".