2401972513 has 2 divisors, whose sum is σ = 2401972514. Its totient is φ = 2401972512.

The previous prime is 2401972511. The next prime is 2401972519. The reversal of 2401972513 is 3152791042.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1475865889 + 926106624 = 38417^2 + 30432^2 .

It is a cyclic number.

It is not a de Polignac number, because 2401972513 - 2¹ = 2401972511 is a prime.

Together with 2401972511, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (2401972511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1200986256 + 1200986257.

It is an arithmetic number, because the mean of its divisors is an integer number (1200986257).

Almost surely, 2^2401972513 is an apocalyptic number.

It is an amenable number.

2401972513 is a deficient number, since it is larger than the sum of its proper divisors (1).

2401972513 is an equidigital number, since it uses as much as digits as its factorization.

2401972513 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15120, while the sum is 34.

The square root of 2401972513 is about 49009.9225973680. The cubic root of 2401972513 is about 1339.2325956107.

The spelling of 2401972513 in words is "two billion, four hundred one million, nine hundred seventy-two thousand, five hundred thirteen".