46331221465409 has 2 divisors, whose sum is σ = 46331221465410. Its totient is φ = 46331221465408.

The previous prime is 46331221465297. The next prime is 46331221465423. The reversal of 46331221465409 is 90456412213364.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 42435413977009 + 3895807488400 = 6514247^2 + 1973780^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-46331221465409 is a prime.

It is not a weakly prime, because it can be changed into another prime (46331221465429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23165610732704 + 23165610732705.

It is an arithmetic number, because the mean of its divisors is an integer number (23165610732705).

Almost surely, 2^{46331221465409} is an apocalyptic number.

It is an amenable number.

46331221465409 is a deficient number, since it is larger than the sum of its proper divisors (1).

46331221465409 is an equidigital number, since it uses as much as digits as its factorization.

46331221465409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3732480, while the sum is 50.

The spelling of 46331221465409 in words is "forty-six trillion, three hundred thirty-one billion, two hundred twenty-one million, four hundred sixty-five thousand, four hundred nine".