64896915122603 has 2 divisors, whose sum is σ = 64896915122604. Its totient is φ = 64896915122602.

The previous prime is 64896915122597. The next prime is 64896915122647. The reversal of 64896915122603 is 30622151969846.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 64896915122603 - 2⁴ = 64896915122587 is a prime.

It is not a weakly prime, because it can be changed into another prime (64896915122693) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32448457561301 + 32448457561302.

It is an arithmetic number, because the mean of its divisors is an integer number (32448457561302).

Almost surely, 2^{64896915122603} is an apocalyptic number.

64896915122603 is a deficient number, since it is larger than the sum of its proper divisors (1).

64896915122603 is an equidigital number, since it uses as much as digits as its factorization.

64896915122603 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 33592320, while the sum is 62.

The spelling of 64896915122603 in words is "sixty-four trillion, eight hundred ninety-six billion, nine hundred fifteen million, one hundred twenty-two thousand, six hundred three".