64962893 has 2 divisors, whose sum is σ = 64962894. Its totient is φ = 64962892.

The previous prime is 64962869. The next prime is 64962907. The reversal of 64962893 is 39826946.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 63792169 + 1170724 = 7987^2 + 1082^2 .

It is a cyclic number.

It is not a de Polignac number, because 64962893 - 2¹² = 64958797 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64962853) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32481446 + 32481447.

It is an arithmetic number, because the mean of its divisors is an integer number (32481447).

Almost surely, 2^64962893 is an apocalyptic number.

It is an amenable number.

64962893 is a deficient number, since it is larger than the sum of its proper divisors (1).

64962893 is an equidigital number, since it uses as much as digits as its factorization.

64962893 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 559872, while the sum is 47.

The square root of 64962893 is about 8059.9561413199. The cubic root of 64962893 is about 401.9960499765.

The spelling of 64962893 in words is "sixty-four million, nine hundred sixty-two thousand, eight hundred ninety-three".