2405917199813 has 2 divisors, whose sum is σ = 2405917199814. Its totient is φ = 2405917199812.

The previous prime is 2405917199767. The next prime is 2405917199863. The reversal of 2405917199813 is 3189917195042.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2391482859364 + 14434340449 = 1546442^2 + 120143^2 .

It is a cyclic number.

It is not a de Polignac number, because 2405917199813 - 2⁸ = 2405917199557 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2405917199863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1202958599906 + 1202958599907.

It is an arithmetic number, because the mean of its divisors is an integer number (1202958599907).

Almost surely, 2^{2405917199813} is an apocalyptic number.

It is an amenable number.

2405917199813 is a deficient number, since it is larger than the sum of its proper divisors (1).

2405917199813 is an equidigital number, since it uses as much as digits as its factorization.

2405917199813 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4898880, while the sum is 59.

The spelling of 2405917199813 in words is "two trillion, four hundred five billion, nine hundred seventeen million, one hundred ninety-nine thousand, eight hundred thirteen".