64262274893 has 2 divisors, whose sum is σ = 64262274894. Its totient is φ = 64262274892.

The previous prime is 64262274779. The next prime is 64262274911. The reversal of 64262274893 is 39847226246.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 33420592969 + 30841681924 = 182813^2 + 175618^2 .

It is a cyclic number.

It is not a de Polignac number, because 64262274893 - 2¹⁴ = 64262258509 is a prime.

It is a super-2 number, since 2×64262274893² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64262271893) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32131137446 + 32131137447.

It is an arithmetic number, because the mean of its divisors is an integer number (32131137447).

Almost surely, 2^64262274893 is an apocalyptic number.

It is an amenable number.

64262274893 is a deficient number, since it is larger than the sum of its proper divisors (1).

64262274893 is an equidigital number, since it uses as much as digits as its factorization.

64262274893 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6967296, while the sum is 53.

The spelling of 64262274893 in words is "sixty-four billion, two hundred sixty-two million, two hundred seventy-four thousand, eight hundred ninety-three".