754579170661 has 2 divisors, whose sum is σ = 754579170662. Its totient is φ = 754579170660.

The previous prime is 754579170649. The next prime is 754579170677. The reversal of 754579170661 is 166071975457.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 707188493025 + 47390677636 = 840945^2 + 217694^2 .

It is a cyclic number.

It is not a de Polignac number, because 754579170661 - 2³¹ = 752431687013 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 754579170596 and 754579170605.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (754579170061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 377289585330 + 377289585331.

It is an arithmetic number, because the mean of its divisors is an integer number (377289585331).

Almost surely, 2^754579170661 is an apocalyptic number.

It is an amenable number.

754579170661 is a deficient number, since it is larger than the sum of its proper divisors (1).

754579170661 is an equidigital number, since it uses as much as digits as its factorization.

754579170661 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11113200, while the sum is 58.

The spelling of 754579170661 in words is "seven hundred fifty-four billion, five hundred seventy-nine million, one hundred seventy thousand, six hundred sixty-one".