1450643622646 has 4 divisors (see below), whose sum is σ = 2175965433972. Its totient is φ = 725321811322.

The previous prime is 1450643622613. The next prime is 1450643622667. The reversal of 1450643622646 is 6462263460541.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1450643622646.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 362660905660 + ... + 362660905663.

It is an arithmetic number, because the mean of its divisors is an integer number (543991358493).

Almost surely, 2^{1450643622646} is an apocalyptic number.

1450643622646 is a deficient number, since it is larger than the sum of its proper divisors (725321811326).

1450643622646 is an equidigital number, since it uses as much as digits as its factorization.

1450643622646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 725321811325.

The product of its (nonzero) digits is 4976640, while the sum is 49.

The spelling of 1450643622646 in words is "one trillion, four hundred fifty billion, six hundred forty-three million, six hundred twenty-two thousand, six hundred forty-six".