646259498083 has 2 divisors, whose sum is σ = 646259498084. Its totient is φ = 646259498082.

The previous prime is 646259498057. The next prime is 646259498099. The reversal of 646259498083 is 380894952646.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 646259498083 - 2¹³ = 646259489891 is a prime.

It is not a weakly prime, because it can be changed into another prime (646259498023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 323129749041 + 323129749042.

It is an arithmetic number, because the mean of its divisors is an integer number (323129749042).

Almost surely, 2^646259498083 is an apocalyptic number.

646259498083 is a deficient number, since it is larger than the sum of its proper divisors (1).

646259498083 is an equidigital number, since it uses as much as digits as its factorization.

646259498083 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 89579520, while the sum is 64.

The spelling of 646259498083 in words is "six hundred forty-six billion, two hundred fifty-nine million, four hundred ninety-eight thousand, eighty-three".