645043458035 has 32 divisors (see below), whose sum is σ = 807312629760. Its totient is φ = 494213011200.

The previous prime is 645043457987. The next prime is 645043458077. The reversal of 645043458035 is 530854340546.

It is not a de Polignac number, because 645043458035 - 2²⁸ = 644775022579 is a prime.

It is a super-2 number, since 2×645043458035² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 25675130 + ... + 25700240.

It is an arithmetic number, because the mean of its divisors is an integer number (25228519680).

Almost surely, 2^645043458035 is an apocalyptic number.

645043458035 is a deficient number, since it is larger than the sum of its proper divisors (162269171725).

645043458035 is a wasteful number, since it uses less digits than its factorization.

645043458035 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26859.

The product of its (nonzero) digits is 3456000, while the sum is 47.

The spelling of 645043458035 in words is "six hundred forty-five billion, forty-three million, four hundred fifty-eight thousand, thirty-five".