146787490813 has 2 divisors, whose sum is σ = 146787490814. Its totient is φ = 146787490812.

The previous prime is 146787490799. The next prime is 146787490859. The reversal of 146787490813 is 318094787641.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 119071234489 + 27716256324 = 345067^2 + 166482^2 .

It is a cyclic number.

It is not a de Polignac number, because 146787490813 - 2²¹ = 146785393661 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (146787490873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73393745406 + 73393745407.

It is an arithmetic number, because the mean of its divisors is an integer number (73393745407).

Almost surely, 2^146787490813 is an apocalyptic number.

It is an amenable number.

146787490813 is a deficient number, since it is larger than the sum of its proper divisors (1).

146787490813 is an equidigital number, since it uses as much as digits as its factorization.

146787490813 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8128512, while the sum is 58.

The spelling of 146787490813 in words is "one hundred forty-six billion, seven hundred eighty-seven million, four hundred ninety thousand, eight hundred thirteen".