5437421215 has 4 divisors (see below), whose sum is σ = 6524905464. Its totient is φ = 4349936968.

The previous prime is 5437421203. The next prime is 5437421221. The reversal of 5437421215 is 5121247345.

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 5437421215 - 2⁵ = 5437421183 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 3 ways as a sum of consecutive naturals, for example, 543742117 + ... + 543742126.

It is an arithmetic number, because the mean of its divisors is an integer number (1631226366).

Almost surely, 2^5437421215 is an apocalyptic number.

5437421215 is a deficient number, since it is larger than the sum of its proper divisors (1087484249).

5437421215 is a wasteful number, since it uses less digits than its factorization.

5437421215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1087484248.

The product of its digits is 33600, while the sum is 34.

The square root of 5437421215 is about 73738.8718044967. The cubic root of 5437421215 is about 1758.4539210566.

The spelling of 5437421215 in words is "five billion, four hundred thirty-seven million, four hundred twenty-one thousand, two hundred fifteen".