748504545289 has 2 divisors, whose sum is σ = 748504545290. Its totient is φ = 748504545288.

The previous prime is 748504545251. The next prime is 748504545419. The reversal of 748504545289 is 982545405847.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 720347705289 + 28156840000 = 848733^2 + 167800^2 .

It is a cyclic number.

It is not a de Polignac number, because 748504545289 - 2¹⁵ = 748504512521 is a prime.

It is not a weakly prime, because it can be changed into another prime (748504546289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 374252272644 + 374252272645.

It is an arithmetic number, because the mean of its divisors is an integer number (374252272645).

Almost surely, 2^748504545289 is an apocalyptic number.

It is an amenable number.

748504545289 is a deficient number, since it is larger than the sum of its proper divisors (1).

748504545289 is an equidigital number, since it uses as much as digits as its factorization.

748504545289 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64512000, while the sum is 61.

The spelling of 748504545289 in words is "seven hundred forty-eight billion, five hundred four million, five hundred forty-five thousand, two hundred eighty-nine".