15797639263 has 8 divisors (see below), whose sum is σ = 18839420928.
Its totient is φ = 12952101624.
The previous prime is 15797639257. The next prime is 15797639269. The reversal of 15797639263 is 36293679751.
It is an interprime number because it is at equal distance from previous prime (15797639257) and next prime (15797639269).
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 15797639263 - 217 = 15797508191 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 15797639198 and 15797639207.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (15797639269) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49060831 + ... + 49061152.
It is an arithmetic number, because the mean of its divisors is an integer number (2354927616).
Almost surely, 215797639263 is an apocalyptic number.
15797639263 is a deficient number, since it is larger than the sum of its proper divisors (3041781665).
15797639263 is an equidigital number, since it uses as much as digits as its factorization.
15797639263 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 98122013.
The product of its digits is 12859560, while the sum is 58.
The spelling of 15797639263 in words is "fifteen billion, seven hundred ninety-seven million, six hundred thirty-nine thousand, two hundred sixty-three".