5051931421 has 8 divisors (see below), whose sum is σ = 5117456000. Its totient is φ = 4986446400.

The previous prime is 5051931407. The next prime is 5051931427. The reversal of 5051931421 is 1241391505.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5051931421 - 2¹³ = 5051923229 is a prime.

It is a super-2 number, since 2×5051931421² = 51044022164974158482, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5051931427) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 316021 + ... + 331621.

It is an arithmetic number, because the mean of its divisors is an integer number (639682000).

Almost surely, 2^5051931421 is an apocalyptic number.

It is an amenable number.

5051931421 is a deficient number, since it is larger than the sum of its proper divisors (65524579).

5051931421 is a wasteful number, since it uses less digits than its factorization.

5051931421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19779.

The product of its (nonzero) digits is 5400, while the sum is 31.

The square root of 5051931421 is about 71076.9401493902. The cubic root of 5051931421 is about 1715.8756669053.

The spelling of 5051931421 in words is "five billion, fifty-one million, nine hundred thirty-one thousand, four hundred twenty-one".