5158297921 has 16 divisors (see below), whose sum is σ = 5999064448. Its totient is φ = 4343673600.

The previous prime is 5158297891. The next prime is 5158297933. The reversal of 5158297921 is 1297928515.

It is not a de Polignac number, because 5158297921 - 2¹³ = 5158289729 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5158297951) 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, 370201 + ... + 383881.

It is an arithmetic number, because the mean of its divisors is an integer number (374941528).

Almost surely, 2^5158297921 is an apocalyptic number.

It is an amenable number.

5158297921 is a deficient number, since it is larger than the sum of its proper divisors (840766527).

5158297921 is a wasteful number, since it uses less digits than its factorization.

5158297921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14632.

The product of its digits is 453600, while the sum is 49.

The square root of 5158297921 is about 71821.2915575876. The cubic root of 5158297921 is about 1727.8344964348.

The spelling of 5158297921 in words is "five billion, one hundred fifty-eight million, two hundred ninety-seven thousand, nine hundred twenty-one".