5097961421605 has 16 divisors (see below), whose sum is σ = 6613769547504. Its totient is φ = 3749999984640.

The previous prime is 5097961421573. The next prime is 5097961421621. The reversal of 5097961421605 is 5061241697905.

It can be written as a sum of positive squares in 8 ways, for example, as 679162236769 + 4418799184836 = 824113^2 + 2102094^2 .

It is not a de Polignac number, because 5097961421605 - 2⁵ = 5097961421573 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 15 ways as a sum of consecutive naturals, for example, 152571186 + ... + 152604595.

It is an arithmetic number, because the mean of its divisors is an integer number (413360596719).

Almost surely, 2^{5097961421605} is an apocalyptic number.

It is an amenable number.

5097961421605 is a deficient number, since it is larger than the sum of its proper divisors (1515808125899).

5097961421605 is a wasteful number, since it uses less digits than its factorization.

5097961421605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305176056.

The product of its (nonzero) digits is 4082400, while the sum is 55.

The spelling of 5097961421605 in words is "five trillion, ninety-seven billion, nine hundred sixty-one million, four hundred twenty-one thousand, six hundred five".