1450565671690 has 16 divisors (see below), whose sum is σ = 2611031920128. Its totient is φ = 580223221776.

The previous prime is 1450565671679. The next prime is 1450565671691. The reversal of 1450565671690 is 961765650541.

It is a happy number.

It is a super-2 number, since 2×1450565671690² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1450565671691) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3615679 + ... + 3996781.

It is an arithmetic number, because the mean of its divisors is an integer number (163189495008).

Almost surely, 2^{1450565671690} is an apocalyptic number.

1450565671690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1450565671690 is a deficient number, since it is larger than the sum of its proper divisors (1160466248438).

1450565671690 is a wasteful number, since it uses less digits than its factorization.

1450565671690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 761733.

The product of its (nonzero) digits is 6804000, while the sum is 55.

The spelling of 1450565671690 in words is "one trillion, four hundred fifty billion, five hundred sixty-five million, six hundred seventy-one thousand, six hundred ninety".