612369413 has 2 divisors, whose sum is σ = 612369414. Its totient is φ = 612369412.

The previous prime is 612369403. The next prime is 612369451. The reversal of 612369413 is 314963216.

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., 573219364 + 39150049 = 23942^2 + 6257^2 .

It is a cyclic number.

It is not a de Polignac number, because 612369413 - 2⁴ = 612369397 is a prime.

It is equal to p_31936616 and since 612369413 and 31936616 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (612369403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 306184706 + 306184707.

It is an arithmetic number, because the mean of its divisors is an integer number (306184707).

Almost surely, 2^612369413 is an apocalyptic number.

It is an amenable number.

612369413 is a deficient number, since it is larger than the sum of its proper divisors (1).

612369413 is an equidigital number, since it uses as much as digits as its factorization.

612369413 is an evil number, because the sum of its binary digits is even.

The product of its digits is 23328, while the sum is 35.

The square root of 612369413 is about 24746.0989450863. The cubic root of 612369413 is about 849.1892675667.

The spelling of 612369413 in words is "six hundred twelve million, three hundred sixty-nine thousand, four hundred thirteen".