1009369256285 has 16 divisors (see below), whose sum is σ = 1313936948016. Its totient is φ = 739939634688.

The previous prime is 1009369256279. The next prime is 1009369256303. The reversal of 1009369256285 is 5826529639001.

It can be written as a sum of positive squares in 8 ways, for example, as 148057187524 + 861312068761 = 384782^2 + 928069^2 .

It is a cyclic number.

It is not a de Polignac number, because 1009369256285 - 2²² = 1009365061981 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1009369256285.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56665394 + ... + 56683203.

It is an arithmetic number, because the mean of its divisors is an integer number (82121059251).

Almost surely, 2^{1009369256285} is an apocalyptic number.

It is an amenable number.

1009369256285 is a deficient number, since it is larger than the sum of its proper divisors (304567691731).

1009369256285 is a wasteful number, since it uses less digits than its factorization.

1009369256285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113348752.

The product of its (nonzero) digits is 6998400, while the sum is 56.

The spelling of 1009369256285 in words is "one trillion, nine billion, three hundred sixty-nine million, two hundred fifty-six thousand, two hundred eighty-five".