64028456941 has 2 divisors, whose sum is σ = 64028456942. Its totient is φ = 64028456940.

The previous prime is 64028456911. The next prime is 64028457049. The reversal of 64028456941 is 14965482046.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 63360441225 + 668015716 = 251715^2 + 25846^2 .

It is a cyclic number.

It is not a de Polignac number, because 64028456941 - 2²⁵ = 63994902509 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64028456911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32014228470 + 32014228471.

It is an arithmetic number, because the mean of its divisors is an integer number (32014228471).

Almost surely, 2^64028456941 is an apocalyptic number.

It is an amenable number.

64028456941 is a deficient number, since it is larger than the sum of its proper divisors (1).

64028456941 is an equidigital number, since it uses as much as digits as its factorization.

64028456941 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1658880, while the sum is 49.

It can be divided in two parts, 640284 and 56941, that added together give a square (697225 = 835²).

The spelling of 64028456941 in words is "sixty-four billion, twenty-eight million, four hundred fifty-six thousand, nine hundred forty-one".