7919091271744 has 63 divisors (see below), whose sum is σ = 16018953641607. Its totient is φ = 3884251897344.

The previous prime is 7919091271733. The next prime is 7919091271787. The reversal of 7919091271744 is 4471721909197.

The square root of 7919091271744 is 2814088.

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

It can be written as a sum of positive squares in 4 ways, for example, as 1406387271744 + 6512704000000 = 1185912^2 + 2552000^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1193169994 + ... + 1193176630.

Almost surely, 2^{7919091271744} is an apocalyptic number.

7919091271744 is the 2814088-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7919091271744

7919091271744 is an abundant number, since it is smaller than the sum of its proper divisors (8099862369863).

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

7919091271744 is an frugal number, since it uses more digits than its factorization.

7919091271744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13392 (or 6692 counting only the distinct ones).

The product of its (nonzero) digits is 8001504, while the sum is 61.

The spelling of 7919091271744 in words is "seven trillion, nine hundred nineteen billion, ninety-one million, two hundred seventy-one thousand, seven hundred forty-four".