247274319999 has 16 divisors (see below), whose sum is σ = 379675296000. Its totient is φ = 140220986880.

The previous prime is 247274319979. The next prime is 247274320003. The reversal of 247274319999 is 999913472742.

It is not a de Polignac number, because 247274319999 - 2¹⁵ = 247274287231 is a prime.

It is a super-2 number, since 2×247274319999² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (247274319979) 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, 44939874 + ... + 44945375.

It is an arithmetic number, because the mean of its divisors is an integer number (23729706000).

Almost surely, 2^247274319999 is an apocalyptic number.

247274319999 is a deficient number, since it is larger than the sum of its proper divisors (132400976001).

247274319999 is a wasteful number, since it uses less digits than its factorization.

247274319999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89885390.

The product of its digits is 61725888, while the sum is 66.

The spelling of 247274319999 in words is "two hundred forty-seven billion, two hundred seventy-four million, three hundred nineteen thousand, nine hundred ninety-nine".