2620442660467 has 2 divisors, whose sum is σ = 2620442660468. Its totient is φ = 2620442660466.

The previous prime is 2620442660417. The next prime is 2620442660491. The reversal of 2620442660467 is 7640662440262.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2620442660467 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2620442660467.

It is not a weakly prime, because it can be changed into another prime (2620442660417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1310221330233 + 1310221330234.

It is an arithmetic number, because the mean of its divisors is an integer number (1310221330234).

Almost surely, 2^{2620442660467} is an apocalyptic number.

2620442660467 is a deficient number, since it is larger than the sum of its proper divisors (1).

2620442660467 is an equidigital number, since it uses as much as digits as its factorization.

2620442660467 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4644864, while the sum is 49.

The spelling of 2620442660467 in words is "two trillion, six hundred twenty billion, four hundred forty-two million, six hundred sixty thousand, four hundred sixty-seven".