2405390401571 has 2 divisors, whose sum is σ = 2405390401572. Its totient is φ = 2405390401570.

The previous prime is 2405390401553. The next prime is 2405390401573. The reversal of 2405390401571 is 1751040935042.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2405390401571 is a prime.

Together with 2405390401573, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2405390401573) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1202695200785 + 1202695200786.

It is an arithmetic number, because the mean of its divisors is an integer number (1202695200786).

Almost surely, 2^{2405390401571} is an apocalyptic number.

2405390401571 is a deficient number, since it is larger than the sum of its proper divisors (1).

2405390401571 is an equidigital number, since it uses as much as digits as its factorization.

2405390401571 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 151200, while the sum is 41.

The spelling of 2405390401571 in words is "two trillion, four hundred five billion, three hundred ninety million, four hundred one thousand, five hundred seventy-one".