5421274951 has 4 divisors (see below), whose sum is σ = 5421469600. Its totient is φ = 5421080304.

The previous prime is 5421274949. The next prime is 5421274967. The reversal of 5421274951 is 1594721245.

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

It is a cyclic number.

It is not a de Polignac number, because 5421274951 - 2¹ = 5421274949 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5421274931) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46806 + ... + 114163.

It is an arithmetic number, because the mean of its divisors is an integer number (1355367400).

Almost surely, 2^5421274951 is an apocalyptic number.

5421274951 is a deficient number, since it is larger than the sum of its proper divisors (194649).

5421274951 is a wasteful number, since it uses less digits than its factorization.

5421274951 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194648.

The product of its digits is 100800, while the sum is 40.

The square root of 5421274951 is about 73629.3076906200. The cubic root of 5421274951 is about 1756.7116361203.

The spelling of 5421274951 in words is "five billion, four hundred twenty-one million, two hundred seventy-four thousand, nine hundred fifty-one".