46472000821 has 4 divisors (see below), whose sum is σ = 46579326892. Its totient is φ = 46364674752.

The previous prime is 46472000803. The next prime is 46472000837. The reversal of 46472000821 is 12800027464.

It is a happy number.

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 24910308900 + 21561691921 = 157830^2 + 146839^2 .

It is a cyclic number.

It is not a de Polignac number, because 46472000821 - 2⁷ = 46472000693 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 (46472000621) 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, 53662386 + ... + 53663251.

It is an arithmetic number, because the mean of its divisors is an integer number (11644831723).

Almost surely, 2^46472000821 is an apocalyptic number.

It is an amenable number.

46472000821 is a deficient number, since it is larger than the sum of its proper divisors (107326071).

46472000821 is a wasteful number, since it uses less digits than its factorization.

46472000821 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107326070.

The product of its (nonzero) digits is 21504, while the sum is 34.

The spelling of 46472000821 in words is "forty-six billion, four hundred seventy-two million, eight hundred twenty-one", and thus it is an aban number.