64953961711 has 2 divisors, whose sum is σ = 64953961712. Its totient is φ = 64953961710.

The previous prime is 64953961663. The next prime is 64953961717. The reversal of 64953961711 is 11716935946.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 64953961711 - 2¹¹ = 64953959663 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64953961717) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32476980855 + 32476980856.

It is an arithmetic number, because the mean of its divisors is an integer number (32476980856).

Almost surely, 2^64953961711 is an apocalyptic number.

64953961711 is a deficient number, since it is larger than the sum of its proper divisors (1).

64953961711 is an equidigital number, since it uses as much as digits as its factorization.

64953961711 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1224720, while the sum is 52.

The spelling of 64953961711 in words is "sixty-four billion, nine hundred fifty-three million, nine hundred sixty-one thousand, seven hundred eleven".