1247653058953 has 8 divisors (see below), whose sum is σ = 1509765046272. Its totient is φ = 1006510030656.

The previous prime is 1247653058947. The next prime is 1247653058983. The reversal of 1247653058953 is 3598503567421.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1247653058953 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1247653058903) 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, 5242239625 + ... + 5242239862.

It is an arithmetic number, because the mean of its divisors is an integer number (188720630784).

It is a 1-persistent number, because it is pandigital, but 2⋅1247653058953 = 2495306117906 is not.

Almost surely, 2^{1247653058953} is an apocalyptic number.

It is an amenable number.

1247653058953 is a deficient number, since it is larger than the sum of its proper divisors (262111987319).

1247653058953 is a wasteful number, since it uses less digits than its factorization.

1247653058953 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10484479511.

The product of its (nonzero) digits is 27216000, while the sum is 58.

The spelling of 1247653058953 in words is "one trillion, two hundred forty-seven billion, six hundred fifty-three million, fifty-eight thousand, nine hundred fifty-three".