1642658213711 has 2 divisors, whose sum is σ = 1642658213712. Its totient is φ = 1642658213710.

The previous prime is 1642658213617. The next prime is 1642658213731. The reversal of 1642658213711 is 1173128562461.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1642658213711 - 2³⁴ = 1625478344527 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1642658213731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 821329106855 + 821329106856.

It is an arithmetic number, because the mean of its divisors is an integer number (821329106856).

Almost surely, 2^{1642658213711} is an apocalyptic number.

1642658213711 is a deficient number, since it is larger than the sum of its proper divisors (1).

1642658213711 is an equidigital number, since it uses as much as digits as its factorization.

1642658213711 is an evil number, because the sum of its binary digits is even.

The product of its digits is 483840, while the sum is 47.

The spelling of 1642658213711 in words is "one trillion, six hundred forty-two billion, six hundred fifty-eight million, two hundred thirteen thousand, seven hundred eleven".