464293086417721 has 12 divisors (see below), whose sum is σ = 510339686932516. Its totient is φ = 422083792674720.

The previous prime is 464293086417653. The next prime is 464293086417731. The reversal of 464293086417721 is 127714680392464.

It can be written as a sum of positive squares in 2 ways, for example, as 421858284777721 + 42434801640000 = 20539189^2 + 6514200^2 .

It is not a de Polignac number, because 464293086417721 - 2¹⁷ = 464293086286649 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (464293086417731) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 62725051 + ... + 69735343.

Almost surely, 2^{464293086417721} is an apocalyptic number.

It is an amenable number.

464293086417721 is a deficient number, since it is larger than the sum of its proper divisors (46046600514795).

464293086417721 is a wasteful number, since it uses less digits than its factorization.

464293086417721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7557672 (or 7557661 counting only the distinct ones).

The product of its (nonzero) digits is 97542144, while the sum is 64.

The spelling of 464293086417721 in words is "four hundred sixty-four trillion, two hundred ninety-three billion, eighty-six million, four hundred seventeen thousand, seven hundred twenty-one".