46994691194881 has 4 divisors (see below), whose sum is σ = 46994759970372. Its totient is φ = 46994622419392.

The previous prime is 46994691194873. The next prime is 46994691194909. The reversal of 46994691194881 is 18849119649964.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 27321696264256 + 19672994930625 = 5227016^2 + 4435425^2 .

It is a cyclic number.

It is not a de Polignac number, because 46994691194881 - 2³ = 46994691194873 is a prime.

It is a super-2 number, since 2×46994691194881² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (46994691194981) 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, 33352396 + ... + 34732861.

It is an arithmetic number, because the mean of its divisors is an integer number (11748689992593).

Almost surely, 2^{46994691194881} is an apocalyptic number.

It is an amenable number.

46994691194881 is a deficient number, since it is larger than the sum of its proper divisors (68775491).

46994691194881 is an equidigital number, since it uses as much as digits as its factorization.

46994691194881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68775490.

The product of its digits is 967458816, while the sum is 79.

The spelling of 46994691194881 in words is "forty-six trillion, nine hundred ninety-four billion, six hundred ninety-one million, one hundred ninety-four thousand, eight hundred eighty-one".