46744472821 has 4 divisors (see below), whose sum is σ = 46762055200. Its totient is φ = 46726890444.

The previous prime is 46744472791. The next prime is 46744472849. The reversal of 46744472821 is 12827444764.

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 46744472821 - 2¹³ = 46744464629 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (46744472861) 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, 8787201 + ... + 8792518.

It is an arithmetic number, because the mean of its divisors is an integer number (11690513800).

Almost surely, 2^46744472821 is an apocalyptic number.

It is an amenable number.

46744472821 is a deficient number, since it is larger than the sum of its proper divisors (17582379).

46744472821 is a wasteful number, since it uses less digits than its factorization.

46744472821 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17582378.

The product of its digits is 2408448, while the sum is 49.

The spelling of 46744472821 in words is "forty-six billion, seven hundred forty-four million, four hundred seventy-two thousand, eight hundred twenty-one".