1490179291441 has 3 divisors (see below), whose sum is σ = 1490180512171. Its totient is φ = 1490178070712.

The previous prime is 1490179291427. The next prime is 1490179291451. The reversal of 1490179291441 is 1441929710941.

The square root of 1490179291441 is 1220729.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 888251585841 + 601927705600 = 942471^2 + 775840^2 .

It is a de Polignac number, because none of the positive numbers 2^k-1490179291441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1490179291451) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 610365 + ... + 1831093.

Almost surely, 2^{1490179291441} is an apocalyptic number.

1490179291441 is the 1220729-th square number.

1490179291441 is the 610365-th centered octagonal number.

It is an amenable number.

1490179291441 is a deficient number, since it is larger than the sum of its proper divisors (1220730).

1490179291441 is an frugal number, since it uses more digits than its factorization.

1490179291441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2441458 (or 1220729 counting only the distinct ones).

The product of its (nonzero) digits is 653184, while the sum is 52.

The spelling of 1490179291441 in words is "one trillion, four hundred ninety billion, one hundred seventy-nine million, two hundred ninety-one thousand, four hundred forty-one".