64401056454601 has 4 divisors (see below), whose sum is σ = 65492599784400. Its totient is φ = 63309513124804.

The previous prime is 64401056454587. The next prime is 64401056454661. The reversal of 64401056454601 is 10645465010446.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 64401056454601 - 2⁵ = 64401056454569 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64401056454661) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 545771664811 + ... + 545771664928.

It is an arithmetic number, because the mean of its divisors is an integer number (16373149946100).

Almost surely, 2^{64401056454601} is an apocalyptic number.

It is an amenable number.

64401056454601 is a deficient number, since it is larger than the sum of its proper divisors (1091543329799).

64401056454601 is a wasteful number, since it uses less digits than its factorization.

64401056454601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1091543329798.

The product of its (nonzero) digits is 1382400, while the sum is 46.

The spelling of 64401056454601 in words is "sixty-four trillion, four hundred one billion, fifty-six million, four hundred fifty-four thousand, six hundred one".