46374331681 has 4 divisors (see below), whose sum is σ = 48815086000. Its totient is φ = 43933577364.

The previous prime is 46374331669. The next prime is 46374331687. The reversal of 46374331681 is 18613347364.

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 46374331681 - 2⁵ = 46374331649 is a prime.

It is a super-2 number, since 2×46374331681² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (46374331687) 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, 1220377131 + ... + 1220377168.

It is an arithmetic number, because the mean of its divisors is an integer number (12203771500).

Almost surely, 2^46374331681 is an apocalyptic number.

It is an amenable number.

46374331681 is a deficient number, since it is larger than the sum of its proper divisors (2440754319).

46374331681 is a wasteful number, since it uses less digits than its factorization.

46374331681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2440754318.

The product of its digits is 870912, while the sum is 46.

The spelling of 46374331681 in words is "forty-six billion, three hundred seventy-four million, three hundred thirty-one thousand, six hundred eighty-one".