5401505879 has 16 divisors (see below), whose sum is σ = 6877633536. Its totient is φ = 4119410400.

The previous prime is 5401505869. The next prime is 5401505911. The reversal of 5401505879 is 9785051045.

It is a de Polignac number, because none of the positive numbers 2^k-5401505879 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5401505869) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 742652 + ... + 749889.

It is an arithmetic number, because the mean of its divisors is an integer number (429852096).

Almost surely, 2^5401505879 is an apocalyptic number.

5401505879 is a deficient number, since it is larger than the sum of its proper divisors (1476127657).

5401505879 is a wasteful number, since it uses less digits than its factorization.

5401505879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1492606.

The product of its (nonzero) digits is 252000, while the sum is 44.

The square root of 5401505879 is about 73494.9377780538. The cubic root of 5401505879 is about 1754.5737098784.

The spelling of 5401505879 in words is "five billion, four hundred one million, five hundred five thousand, eight hundred seventy-nine".