1450643622644 has 6 divisors (see below), whose sum is σ = 2538626339634. Its totient is φ = 725321811320.

The previous prime is 1450643622613. The next prime is 1450643622667. The reversal of 1450643622644 is 4462263460541.

It can be written as a sum of positive squares in only one way, i.e., 1132389683044 + 318253939600 = 1064138^2 + 564140^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 181330452827 + ... + 181330452834.

It is an arithmetic number, because the mean of its divisors is an integer number (423104389939).

Almost surely, 2^{1450643622644} is an apocalyptic number.

It is an amenable number.

1450643622644 is a deficient number, since it is larger than the sum of its proper divisors (1087982716990).

1450643622644 is a wasteful number, since it uses less digits than its factorization.

1450643622644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 362660905665 (or 362660905663 counting only the distinct ones).

The product of its (nonzero) digits is 3317760, while the sum is 47.

The spelling of 1450643622644 in words is "one trillion, four hundred fifty billion, six hundred forty-three million, six hundred twenty-two thousand, six hundred forty-four".