5269892398781 has 4 divisors (see below), whose sum is σ = 5271227566752. Its totient is φ = 5268557230812.

The previous prime is 5269892398769. The next prime is 5269892398807. The reversal of 5269892398781 is 1878932989625.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 5269892398781 - 2²⁶ = 5269825289917 is a prime.

It is a super-2 number, since 2×5269892398781² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5269892398481) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 667578065 + ... + 667585958.

It is an arithmetic number, because the mean of its divisors is an integer number (1317806891688).

Almost surely, 2^{5269892398781} is an apocalyptic number.

It is an amenable number.

5269892398781 is a deficient number, since it is larger than the sum of its proper divisors (1335167971).

5269892398781 is a wasteful number, since it uses less digits than its factorization.

5269892398781 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1335167970.

The product of its digits is 940584960, while the sum is 77.

The spelling of 5269892398781 in words is "five trillion, two hundred sixty-nine billion, eight hundred ninety-two million, three hundred ninety-eight thousand, seven hundred eighty-one".