2615594598401 has 4 divisors (see below), whose sum is σ = 2615613170772. Its totient is φ = 2615576026032.

The previous prime is 2615594598359. The next prime is 2615594598427. The reversal of 2615594598401 is 1048954955162.

It is a Cunningham number, because it is equal to 1617280²+1.

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 1234934348176 + 1380660250225 = 1111276^2 + 1175015^2 .

It is a cyclic number.

It is not a de Polignac number, because 2615594598401 - 2¹⁴ = 2615594582017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2615594598431) 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, 9073310 + ... + 9357143.

It is an arithmetic number, because the mean of its divisors is an integer number (653903292693).

Almost surely, 2^{2615594598401} is an apocalyptic number.

It is an amenable number.

2615594598401 is a deficient number, since it is larger than the sum of its proper divisors (18572371).

2615594598401 is a wasteful number, since it uses less digits than its factorization.

2615594598401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18572370.

The product of its (nonzero) digits is 15552000, while the sum is 59.

The spelling of 2615594598401 in words is "two trillion, six hundred fifteen billion, five hundred ninety-four million, five hundred ninety-eight thousand, four hundred one".