80436269253 has 32 divisors (see below), whose sum is σ = 114573173760. Its totient is φ = 50084052480.

The previous prime is 80436269239. The next prime is 80436269279. The reversal of 80436269253 is 35296263408.

It is not a de Polignac number, because 80436269253 - 2⁶ = 80436269189 is a prime.

It is a super-2 number, since 2×80436269253² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80436269213) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8779551 + ... + 8788707.

It is an arithmetic number, because the mean of its divisors is an integer number (3580411680).

Almost surely, 2^80436269253 is an apocalyptic number.

It is an amenable number.

80436269253 is a deficient number, since it is larger than the sum of its proper divisors (34136904507).

80436269253 is a wasteful number, since it uses less digits than its factorization.

80436269253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12477.

The product of its (nonzero) digits is 1866240, while the sum is 48.

The spelling of 80436269253 in words is "eighty billion, four hundred thirty-six million, two hundred sixty-nine thousand, two hundred fifty-three".