5072421815 has 8 divisors (see below), whose sum is σ = 6087788928. Its totient is φ = 4057348960.

The previous prime is 5072421803. The next prime is 5072421821. The reversal of 5072421815 is 5181242705.

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

It is not a de Polignac number, because 5072421815 - 2¹⁸ = 5072159671 is a prime.

It is a Duffinian number.

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, 33671 + ... + 106200.

It is an arithmetic number, because the mean of its divisors is an integer number (760973616).

Almost surely, 2^5072421815 is an apocalyptic number.

5072421815 is a deficient number, since it is larger than the sum of its proper divisors (1015367113).

5072421815 is a wasteful number, since it uses less digits than its factorization.

5072421815 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147129.

The product of its (nonzero) digits is 22400, while the sum is 35.

The square root of 5072421815 is about 71220.9366338298. The cubic root of 5072421815 is about 1718.1923743185.

The spelling of 5072421815 in words is "five billion, seventy-two million, four hundred twenty-one thousand, eight hundred fifteen".