645065106001046 has 8 divisors (see below), whose sum is σ = 967617383095560. Its totient is φ = 322525978302528.

The previous prime is 645065106001031. The next prime is 645065106001073. The reversal of 645065106001046 is 640100601560546.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×645065106001046² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 645065106000988 and 645065106001006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3287226356 + ... + 3287422583.

It is an arithmetic number, because the mean of its divisors is an integer number (120952172886945).

Almost surely, 2^{645065106001046} is an apocalyptic number.

645065106001046 is a deficient number, since it is larger than the sum of its proper divisors (322552277094514).

645065106001046 is a wasteful number, since it uses less digits than its factorization.

645065106001046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6574697998.

The product of its (nonzero) digits is 518400, while the sum is 44.

The spelling of 645065106001046 in words is "six hundred forty-five trillion, sixty-five billion, one hundred six million, one thousand, forty-six".