5421636879 has 16 divisors (see below), whose sum is σ = 7270846464. Its totient is φ = 3593469600.

The previous prime is 5421636877. The next prime is 5421636881. The reversal of 5421636879 is 9786361245.

It is an interprime number because it is at equal distance from previous prime (5421636877) and next prime (5421636881).

It is not a de Polignac number, because 5421636879 - 2¹ = 5421636877 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5421636877) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 544314 + ... + 554184.

It is an arithmetic number, because the mean of its divisors is an integer number (454427904).

Almost surely, 2^5421636879 is an apocalyptic number.

5421636879 is a deficient number, since it is larger than the sum of its proper divisors (1849209585).

5421636879 is a wasteful number, since it uses less digits than its factorization.

5421636879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10918.

The product of its digits is 2177280, while the sum is 51.

The square root of 5421636879 is about 73631.7654209106. The cubic root of 5421636879 is about 1756.7507283379.

The spelling of 5421636879 in words is "five billion, four hundred twenty-one million, six hundred thirty-six thousand, eight hundred seventy-nine".