5421337913 has 4 divisors (see below), whose sum is σ = 5475014628. Its totient is φ = 5367661200.

The previous prime is 5421337891. The next prime is 5421337921. The reversal of 5421337913 is 3197331245.

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

It can be written as a sum of positive squares in 2 ways, for example, as 5136302224 + 285035689 = 71668^2 + 16883^2 .

It is a cyclic number.

It is not a de Polignac number, because 5421337913 - 2¹⁸ = 5421075769 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5421337993) 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, 26838206 + ... + 26838407.

It is an arithmetic number, because the mean of its divisors is an integer number (1368753657).

Almost surely, 2^5421337913 is an apocalyptic number.

It is an amenable number.

5421337913 is a deficient number, since it is larger than the sum of its proper divisors (53676715).

5421337913 is a wasteful number, since it uses less digits than its factorization.

5421337913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53676714.

The product of its digits is 68040, while the sum is 38.

The square root of 5421337913 is about 73629.7352501012. The cubic root of 5421337913 is about 1756.7184368361.

The spelling of 5421337913 in words is "five billion, four hundred twenty-one million, three hundred thirty-seven thousand, nine hundred thirteen".