1791979344 has 60 divisors (see below), whose sum is σ = 5018115700. Its totient is φ = 596961792.

The previous prime is 1791979337. The next prime is 1791979349. The reversal of 1791979344 is 4439791971.

It can be written as a sum of positive squares in 2 ways, for example, as 1210204944 + 581774400 = 34788^2 + 24120^2 .

It is a super-2 number, since 2×1791979344² = 6422379938645340672, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1791979349) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 341412 + ... + 346620.

Almost surely, 2^1791979344 is an apocalyptic number.

It is an amenable number.

1791979344 is an abundant number, since it is smaller than the sum of its proper divisors (3226136356).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1791979344 is a wasteful number, since it uses less digits than its factorization.

1791979344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7612 (or 7603 counting only the distinct ones).

The product of its digits is 1714608, while the sum is 54.

The square root of 1791979344 is about 42331.7770002631. Note that the first 3 decimals coincide. The cubic root of 1791979344 is about 1214.6309217843.

The spelling of 1791979344 in words is "one billion, seven hundred ninety-one million, nine hundred seventy-nine thousand, three hundred forty-four".