64187338763411 has 2 divisors, whose sum is σ = 64187338763412. Its totient is φ = 64187338763410.

The previous prime is 64187338763399. The next prime is 64187338763477. The reversal of 64187338763411 is 11436783378146.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 64187338763411 - 2³⁸ = 63912460856467 is a prime.

It is not a weakly prime, because it can be changed into another prime (64187338723411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32093669381705 + 32093669381706.

It is an arithmetic number, because the mean of its divisors is an integer number (32093669381706).

Almost surely, 2^{64187338763411} is an apocalyptic number.

64187338763411 is a deficient number, since it is larger than the sum of its proper divisors (1).

64187338763411 is an equidigital number, since it uses as much as digits as its factorization.

64187338763411 is an evil number, because the sum of its binary digits is even.

The product of its digits is 48771072, while the sum is 62.

The spelling of 64187338763411 in words is "sixty-four trillion, one hundred eighty-seven billion, three hundred thirty-eight million, seven hundred sixty-three thousand, four hundred eleven".