612346643203 has 2 divisors, whose sum is σ = 612346643204. Its totient is φ = 612346643202.

The previous prime is 612346643189. The next prime is 612346643309. The reversal of 612346643203 is 302346643216.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 612346643203 - 2²⁹ = 611809772291 is a prime.

It is a super-2 number, since 2×612346643203² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (612346673203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 306173321601 + 306173321602.

It is an arithmetic number, because the mean of its divisors is an integer number (306173321602).

Almost surely, 2^612346643203 is an apocalyptic number.

612346643203 is a deficient number, since it is larger than the sum of its proper divisors (1).

612346643203 is an equidigital number, since it uses as much as digits as its factorization.

612346643203 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 373248, while the sum is 40.

The spelling of 612346643203 in words is "six hundred twelve billion, three hundred forty-six million, six hundred forty-three thousand, two hundred three".