2421225315513 has 6 divisors (see below), whose sum is σ = 3497325455754. Its totient is φ = 1614150210336.

The previous prime is 2421225315427. The next prime is 2421225315521. The reversal of 2421225315513 is 3155135221242.

2421225315513 is a `hidden beast` number, since 2 + 4 + 2 + 122 + 5 + 3 + 15 + 513 = 666.

It can be written as a sum of positive squares in only one way, i.e., 2033909527104 + 387315788409 = 1426152^2 + 622347^2 .

It is not a de Polignac number, because 2421225315513 - 2¹⁶ = 2421225249977 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2421225315533) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 134512517520 + ... + 134512517537.

It is an arithmetic number, because the mean of its divisors is an integer number (582887575959).

Almost surely, 2^{2421225315513} is an apocalyptic number.

It is an amenable number.

2421225315513 is a deficient number, since it is larger than the sum of its proper divisors (1076100140241).

2421225315513 is a wasteful number, since it uses less digits than its factorization.

2421225315513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269025035063 (or 269025035060 counting only the distinct ones).

The product of its digits is 72000, while the sum is 36.

The spelling of 2421225315513 in words is "two trillion, four hundred twenty-one billion, two hundred twenty-five million, three hundred fifteen thousand, five hundred thirteen".