5421972534 has 16 divisors (see below), whose sum is σ = 11829758400. Its totient is φ = 1643021960.

The previous prime is 5421972527. The next prime is 5421972539. The reversal of 5421972534 is 4352791245.

It is a happy number.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5421972539) 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, 41075484 + ... + 41075615.

It is an arithmetic number, because the mean of its divisors is an integer number (739359900).

Almost surely, 2^5421972534 is an apocalyptic number.

5421972534 is an abundant number, since it is smaller than the sum of its proper divisors (6407785866).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5421972534 is a wasteful number, since it uses less digits than its factorization.

5421972534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82151115.

The product of its digits is 302400, while the sum is 42.

The square root of 5421972534 is about 73634.0446668523. The cubic root of 5421972534 is about 1756.7869812268.

The spelling of 5421972534 in words is "five billion, four hundred twenty-one million, nine hundred seventy-two thousand, five hundred thirty-four".