2575213663947 has 8 divisors (see below), whose sum is σ = 3451408987344. Its totient is φ = 1707913724928.

The previous prime is 2575213663943. The next prime is 2575213663949. The reversal of 2575213663947 is 7493663125752.

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

It is not a de Polignac number, because 2575213663947 - 2² = 2575213663943 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2575213663943) 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, 2223845418 + ... + 2223846575.

It is an arithmetic number, because the mean of its divisors is an integer number (431426123418).

Almost surely, 2^{2575213663947} is an apocalyptic number.

2575213663947 is a deficient number, since it is larger than the sum of its proper divisors (876195323397).

2575213663947 is a wasteful number, since it uses less digits than its factorization.

2575213663947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4447692189.

The product of its digits is 57153600, while the sum is 60.

The spelling of 2575213663947 in words is "two trillion, five hundred seventy-five billion, two hundred thirteen million, six hundred sixty-three thousand, nine hundred forty-seven".