46809442681 has 4 divisors (see below), whose sum is σ = 46841265664. Its totient is φ = 46777619700.

The previous prime is 46809442633. The next prime is 46809442697. The reversal of 46809442681 is 18624490864.

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 46809442681 - 2¹³ = 46809434489 is a prime.

It is a super-2 number, since 2×46809442681² (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 (46809442601) 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, 15909285 + ... + 15912226.

It is an arithmetic number, because the mean of its divisors is an integer number (11710316416).

Almost surely, 2^46809442681 is an apocalyptic number.

It is an amenable number.

46809442681 is a deficient number, since it is larger than the sum of its proper divisors (31822983).

46809442681 is a wasteful number, since it uses less digits than its factorization.

46809442681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31822982.

The product of its (nonzero) digits is 2654208, while the sum is 52.

The spelling of 46809442681 in words is "forty-six billion, eight hundred nine million, four hundred forty-two thousand, six hundred eighty-one".