247498829213 has 4 divisors (see below), whose sum is σ = 250984728288. Its totient is φ = 244012930140.

The previous prime is 247498829209. The next prime is 247498829257. The reversal of 247498829213 is 312928894742.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 247498829213 - 2² = 247498829209 is a prime.

It is a super-2 number, since 2×247498829213² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (247498825213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1742949431 + ... + 1742949572.

It is an arithmetic number, because the mean of its divisors is an integer number (62746182072).

Almost surely, 2^247498829213 is an apocalyptic number.

It is an amenable number.

247498829213 is a deficient number, since it is larger than the sum of its proper divisors (3485899075).

247498829213 is an equidigital number, since it uses as much as digits as its factorization.

247498829213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3485899074.

The product of its digits is 13934592, while the sum is 59.

The spelling of 247498829213 in words is "two hundred forty-seven billion, four hundred ninety-eight million, eight hundred twenty-nine thousand, two hundred thirteen".