464690913641 has 12 divisors (see below), whose sum is σ = 486895417428. Its totient is φ = 443460213504.

The previous prime is 464690913493. The next prime is 464690913647. The reversal of 464690913641 is 146319096464.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 250480230400 + 214210683241 = 500480^2 + 462829^2 .

It is not a de Polignac number, because 464690913641 - 2¹⁸ = 464690651497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (464690913647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 785300 + ... + 1243413.

It is an arithmetic number, because the mean of its divisors is an integer number (40574618119).

Almost surely, 2^464690913641 is an apocalyptic number.

It is an amenable number.

464690913641 is a deficient number, since it is larger than the sum of its proper divisors (22204503787).

464690913641 is a wasteful number, since it uses less digits than its factorization.

464690913641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2029192 (or 2029169 counting only the distinct ones).

The product of its (nonzero) digits is 3359232, while the sum is 53.

The spelling of 464690913641 in words is "four hundred sixty-four billion, six hundred ninety million, nine hundred thirteen thousand, six hundred forty-one".