2620401464413 has 2 divisors, whose sum is σ = 2620401464414. Its totient is φ = 2620401464412.

The previous prime is 2620401464389. The next prime is 2620401464449. The reversal of 2620401464413 is 3144641040262.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2568910139524 + 51491324889 = 1602782^2 + 226917^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2620401464413 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2620401464113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1310200732206 + 1310200732207.

It is an arithmetic number, because the mean of its divisors is an integer number (1310200732207).

Almost surely, 2^{2620401464413} is an apocalyptic number.

It is an amenable number.

2620401464413 is a deficient number, since it is larger than the sum of its proper divisors (1).

2620401464413 is an equidigital number, since it uses as much as digits as its factorization.

2620401464413 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 110592, while the sum is 37.

The spelling of 2620401464413 in words is "two trillion, six hundred twenty billion, four hundred one million, four hundred sixty-four thousand, four hundred thirteen".