247149113129 has 8 divisors (see below), whose sum is σ = 248456228352. Its totient is φ = 245842272000.

The previous prime is 247149113093. The next prime is 247149113137. The reversal of 247149113129 is 921311941742.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 247149113129 - 2¹² = 247149109033 is a prime.

It is a super-2 number, since 2×247149113129² (a number of 24 digits) contains 22 as substring.

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 247149113129.

It is not an unprimeable number, because it can be changed into a prime (247149113149) 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, 1886504 + ... + 2013254.

It is an arithmetic number, because the mean of its divisors is an integer number (31057028544).

Almost surely, 2^247149113129 is an apocalyptic number.

It is an amenable number.

247149113129 is a deficient number, since it is larger than the sum of its proper divisors (1307115223).

247149113129 is a wasteful number, since it uses less digits than its factorization.

247149113129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137047.

The product of its digits is 108864, while the sum is 44.

The spelling of 247149113129 in words is "two hundred forty-seven billion, one hundred forty-nine million, one hundred thirteen thousand, one hundred twenty-nine".