46418552821 has 2 divisors, whose sum is σ = 46418552822. Its totient is φ = 46418552820.

The previous prime is 46418552773. The next prime is 46418552839. The reversal of 46418552821 is 12825581464.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 27590871025 + 18827681796 = 166105^2 + 137214^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-46418552821 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (46418552861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23209276410 + 23209276411.

It is an arithmetic number, because the mean of its divisors is an integer number (23209276411).

Almost surely, 2^46418552821 is an apocalyptic number.

It is an amenable number.

46418552821 is a deficient number, since it is larger than the sum of its proper divisors (1).

46418552821 is an equidigital number, since it uses as much as digits as its factorization.

46418552821 is an evil number, because the sum of its binary digits is even.

The product of its digits is 614400, while the sum is 46.

The spelling of 46418552821 in words is "forty-six billion, four hundred eighteen million, five hundred fifty-two thousand, eight hundred twenty-one".