5214157921 has 16 divisors (see below), whose sum is σ = 6242572800. Its totient is φ = 4260529728.

The previous prime is 5214157877. The next prime is 5214157969. The reversal of 5214157921 is 1297514125.

It is not a de Polignac number, because 5214157921 - 2¹⁵ = 5214125153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5214157121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 146530 + ... + 178603.

It is an arithmetic number, because the mean of its divisors is an integer number (390160800).

Almost surely, 2^5214157921 is an apocalyptic number.

It is an amenable number.

5214157921 is a deficient number, since it is larger than the sum of its proper divisors (1028414879).

5214157921 is a wasteful number, since it uses less digits than its factorization.

5214157921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 325248.

The product of its digits is 25200, while the sum is 37.

The square root of 5214157921 is about 72209.1262999352. The cubic root of 5214157921 is about 1734.0491121165.

The spelling of 5214157921 in words is "five billion, two hundred fourteen million, one hundred fifty-seven thousand, nine hundred twenty-one".