2659390380407 has 2 divisors, whose sum is σ = 2659390380408. Its totient is φ = 2659390380406.

The previous prime is 2659390380401. The next prime is 2659390380461. The reversal of 2659390380407 is 7040830939562.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2659390380407 - 2²⁸ = 2659121944951 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2659390380401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1329695190203 + 1329695190204.

It is an arithmetic number, because the mean of its divisors is an integer number (1329695190204).

Almost surely, 2^{2659390380407} is an apocalyptic number.

2659390380407 is a deficient number, since it is larger than the sum of its proper divisors (1).

2659390380407 is an equidigital number, since it uses as much as digits as its factorization.

2659390380407 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9797760, while the sum is 56.

The spelling of 2659390380407 in words is "two trillion, six hundred fifty-nine billion, three hundred ninety million, three hundred eighty thousand, four hundred seven".