46555522421 has 2 divisors, whose sum is σ = 46555522422. Its totient is φ = 46555522420.

The previous prime is 46555522417. The next prime is 46555522441. The reversal of 46555522421 is 12422555564.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27865624900 + 18689897521 = 166930^2 + 136711^2 .

It is a cyclic number.

It is not a de Polignac number, because 46555522421 - 2² = 46555522417 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (46555522441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23277761210 + 23277761211.

It is an arithmetic number, because the mean of its divisors is an integer number (23277761211).

Almost surely, 2^46555522421 is an apocalyptic number.

It is an amenable number.

46555522421 is a deficient number, since it is larger than the sum of its proper divisors (1).

46555522421 is an equidigital number, since it uses as much as digits as its factorization.

46555522421 is an evil number, because the sum of its binary digits is even.

The product of its digits is 480000, while the sum is 41.

The spelling of 46555522421 in words is "forty-six billion, five hundred fifty-five million, five hundred twenty-two thousand, four hundred twenty-one".