46979558081 has 4 divisors (see below), whose sum is σ = 47012573952. Its totient is φ = 46946542212.

The previous prime is 46979558027. The next prime is 46979558147. The reversal of 46979558081 is 18085597964.

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 46979558081 - 2²² = 46975363777 is a prime.

It is a super-2 number, since 2×46979558081² (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 (46979558981) 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, 16505801 + ... + 16508646.

It is an arithmetic number, because the mean of its divisors is an integer number (11753143488).

Almost surely, 2^46979558081 is an apocalyptic number.

It is an amenable number.

46979558081 is a deficient number, since it is larger than the sum of its proper divisors (33015871).

46979558081 is a wasteful number, since it uses less digits than its factorization.

46979558081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33015870.

The product of its (nonzero) digits is 21772800, while the sum is 62.

The spelling of 46979558081 in words is "forty-six billion, nine hundred seventy-nine million, five hundred fifty-eight thousand, eighty-one".