525764271836489 has 16 divisors (see below), whose sum is σ = 611938000961280. Its totient is φ = 442386054480960.

The previous prime is 525764271836429. The next prime is 525764271836681. The reversal of 525764271836489 is 984638172467525.

It is a cyclic number.

It is not a de Polignac number, because 525764271836489 - 2²⁴ = 525764255059273 is a prime.

It is a Smith number, since the sum of its digits (77) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (525764271836429) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1223739554 + ... + 1224169115.

It is an arithmetic number, because the mean of its divisors is an integer number (38246125060080).

Almost surely, 2^{525764271836489} is an apocalyptic number.

It is an amenable number.

525764271836489 is a deficient number, since it is larger than the sum of its proper divisors (86173729124791).

525764271836489 is a wasteful number, since it uses less digits than its factorization.

525764271836489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2447909240.

The product of its digits is 4877107200, while the sum is 77.

The spelling of 525764271836489 in words is "five hundred twenty-five trillion, seven hundred sixty-four billion, two hundred seventy-one million, eight hundred thirty-six thousand, four hundred eighty-nine".