645083130001 has 2 divisors, whose sum is σ = 645083130002. Its totient is φ = 645083130000.

The previous prime is 645083129989. The next prime is 645083130047. The reversal of 645083130001 is 100031380546.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 563364331776 + 81718798225 = 750576^2 + 285865^2 .

It is a cyclic number.

It is not a de Polignac number, because 645083130001 - 2⁹ = 645083129489 is a prime.

It is a super-2 number, since 2×645083130001² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (645083130401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 322541565000 + 322541565001.

It is an arithmetic number, because the mean of its divisors is an integer number (322541565001).

Almost surely, 2^645083130001 is an apocalyptic number.

It is an amenable number.

645083130001 is a deficient number, since it is larger than the sum of its proper divisors (1).

645083130001 is an equidigital number, since it uses as much as digits as its factorization.

645083130001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8640, while the sum is 31.

The spelling of 645083130001 in words is "six hundred forty-five billion, eighty-three million, one hundred thirty thousand, one".