754542398669 has 2 divisors, whose sum is σ = 754542398670. Its totient is φ = 754542398668.

The previous prime is 754542398657. The next prime is 754542398747. The reversal of 754542398669 is 966893245457.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 748787355625 + 5755043044 = 865325^2 + 75862^2 .

It is a cyclic number.

It is not a de Polignac number, because 754542398669 - 2²⁰ = 754541350093 is a prime.

It is a super-2 number, since 2×754542398669² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 754542398599 and 754542398608.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (754542398639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 377271199334 + 377271199335.

It is an arithmetic number, because the mean of its divisors is an integer number (377271199335).

Almost surely, 2^754542398669 is an apocalyptic number.

It is an amenable number.

754542398669 is a deficient number, since it is larger than the sum of its proper divisors (1).

754542398669 is an equidigital number, since it uses as much as digits as its factorization.

754542398669 is an evil number, because the sum of its binary digits is even.

The product of its digits is 391910400, while the sum is 68.

The spelling of 754542398669 in words is "seven hundred fifty-four billion, five hundred forty-two million, three hundred ninety-eight thousand, six hundred sixty-nine".