80426954569 has 16 divisors (see below), whose sum is σ = 90937667520. Its totient is φ = 70610379840.

The previous prime is 80426954563. The next prime is 80426954579. The reversal of 80426954569 is 96545962408.

It is not a de Polignac number, because 80426954569 - 2³ = 80426954561 is a prime.

It is a super-2 number, since 2×80426954569² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80426954561) 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, 1566787 + ... + 1617304.

It is an arithmetic number, because the mean of its divisors is an integer number (5683604220).

Almost surely, 2^80426954569 is an apocalyptic number.

It is an amenable number.

80426954569 is a deficient number, since it is larger than the sum of its proper divisors (10510712951).

80426954569 is a wasteful number, since it uses less digits than its factorization.

80426954569 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3184200.

The product of its (nonzero) digits is 18662400, while the sum is 58.

The spelling of 80426954569 in words is "eighty billion, four hundred twenty-six million, nine hundred fifty-four thousand, five hundred sixty-nine".