5392177801721 has 8 divisors (see below), whose sum is σ = 5709404882664. Its totient is φ = 5074955182080.

The previous prime is 5392177801631. The next prime is 5392177801739. The reversal of 5392177801721 is 1271087712935.

It can be written as a sum of positive squares in 4 ways, for example, as 1139257369600 + 4252920432121 = 1067360^2 + 2062261^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5392177801721 - 2¹⁸ = 5392177539577 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5392177821721) 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, 1555901 + ... + 3633893.

It is an arithmetic number, because the mean of its divisors is an integer number (713675610333).

Almost surely, 2^{5392177801721} is an apocalyptic number.

It is an amenable number.

5392177801721 is a deficient number, since it is larger than the sum of its proper divisors (317227080943).

5392177801721 is a wasteful number, since it uses less digits than its factorization.

5392177801721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2230651.

The product of its (nonzero) digits is 1481760, while the sum is 53.

The spelling of 5392177801721 in words is "five trillion, three hundred ninety-two billion, one hundred seventy-seven million, eight hundred one thousand, seven hundred twenty-one".