64423083401 has 2 divisors, whose sum is σ = 64423083402. Its totient is φ = 64423083400.

The previous prime is 64423083379. The next prime is 64423083409. The reversal of 64423083401 is 10438032446.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 45421839376 + 19001244025 = 213124^2 + 137845^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-64423083401 is a prime.

It is not a weakly prime, because it can be changed into another prime (64423083409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32211541700 + 32211541701.

It is an arithmetic number, because the mean of its divisors is an integer number (32211541701).

Almost surely, 2^64423083401 is an apocalyptic number.

It is an amenable number.

64423083401 is a deficient number, since it is larger than the sum of its proper divisors (1).

64423083401 is an equidigital number, since it uses as much as digits as its factorization.

64423083401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 55296, while the sum is 35.

The spelling of 64423083401 in words is "sixty-four billion, four hundred twenty-three million, eighty-three thousand, four hundred one".