5121953222954 has 4 divisors (see below), whose sum is σ = 7682929834434. Its totient is φ = 2560976611476.

The previous prime is 5121953222951. The next prime is 5121953222983. The reversal of 5121953222954 is 4592223591215.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 4142555996929 + 979397226025 = 2035327^2 + 989645^2 .

It is a super-2 number, since 2×5121953222954² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (5121953222951) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1280488305737 + ... + 1280488305740.

Almost surely, 2^{5121953222954} is an apocalyptic number.

5121953222954 is a deficient number, since it is larger than the sum of its proper divisors (2560976611480).

5121953222954 is a wasteful number, since it uses less digits than its factorization.

5121953222954 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2560976611479.

The product of its digits is 1944000, while the sum is 50.

The spelling of 5121953222954 in words is "five trillion, one hundred twenty-one billion, nine hundred fifty-three million, two hundred twenty-two thousand, nine hundred fifty-four".