612464259997 has 2 divisors, whose sum is σ = 612464259998. Its totient is φ = 612464259996.

The previous prime is 612464259991. The next prime is 612464260013. The reversal of 612464259997 is 799952464216.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 485225089561 + 127239170436 = 696581^2 + 356706^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-612464259997 is a prime.

It is a super-2 number, since 2×612464259997² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (612464259991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 306232129998 + 306232129999.

It is an arithmetic number, because the mean of its divisors is an integer number (306232129999).

Almost surely, 2^612464259997 is an apocalyptic number.

It is an amenable number.

612464259997 is a deficient number, since it is larger than the sum of its proper divisors (1).

612464259997 is an equidigital number, since it uses as much as digits as its factorization.

612464259997 is an evil number, because the sum of its binary digits is even.

The product of its digits is 58786560, while the sum is 64.

The spelling of 612464259997 in words is "six hundred twelve billion, four hundred sixty-four million, two hundred fifty-nine thousand, nine hundred ninety-seven".