64227000961 has 2 divisors, whose sum is σ = 64227000962. Its totient is φ = 64227000960.

The previous prime is 64227000883. The next prime is 64227001009. The reversal of 64227000961 is 16900072246.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 57262097025 + 6964903936 = 239295^2 + 83456^2 .

It is a cyclic number.

It is not a de Polignac number, because 64227000961 - 2²⁵ = 64193446529 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 64227000961.

It is not a weakly prime, because it can be changed into another prime (64227000361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32113500480 + 32113500481.

It is an arithmetic number, because the mean of its divisors is an integer number (32113500481).

Almost surely, 2^64227000961 is an apocalyptic number.

It is an amenable number.

64227000961 is a deficient number, since it is larger than the sum of its proper divisors (1).

64227000961 is an equidigital number, since it uses as much as digits as its factorization.

64227000961 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36288, while the sum is 37.

The spelling of 64227000961 in words is "sixty-four billion, two hundred twenty-seven million, nine hundred sixty-one", and thus it is an aban number.