47579136643 has 2 divisors, whose sum is σ = 47579136644. Its totient is φ = 47579136642.

The previous prime is 47579136641. The next prime is 47579136659. The reversal of 47579136643 is 34663197574.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 47579136643 - 2¹ = 47579136641 is a prime.

Together with 47579136641, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (47579136641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23789568321 + 23789568322.

It is an arithmetic number, because the mean of its divisors is an integer number (23789568322).

Almost surely, 2^47579136643 is an apocalyptic number.

47579136643 is a deficient number, since it is larger than the sum of its proper divisors (1).

47579136643 is an equidigital number, since it uses as much as digits as its factorization.

47579136643 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11430720, while the sum is 55.

The spelling of 47579136643 in words is "forty-seven billion, five hundred seventy-nine million, one hundred thirty-six thousand, six hundred forty-three".