5121342445 has 8 divisors (see below), whose sum is σ = 6343856640. Its totient is φ = 3964910160.

The previous prime is 5121342433. The next prime is 5121342467. The reversal of 5121342445 is 5442431215.

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

It is not a de Polignac number, because 5121342445 - 2²⁷ = 4987124717 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16520305 + ... + 16520614.

It is an arithmetic number, because the mean of its divisors is an integer number (792982080).

Almost surely, 2^5121342445 is an apocalyptic number.

It is an amenable number.

5121342445 is a deficient number, since it is larger than the sum of its proper divisors (1222514195).

5121342445 is a wasteful number, since it uses less digits than its factorization.

5121342445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33040955.

The product of its digits is 19200, while the sum is 31.

The square root of 5121342445 is about 71563.5552847956. Note that the first 3 decimals coincide. The cubic root of 5121342445 is about 1723.6983748036.

The spelling of 5121342445 in words is "five billion, one hundred twenty-one million, three hundred forty-two thousand, four hundred forty-five".