47197042393 has 2 divisors, whose sum is σ = 47197042394. Its totient is φ = 47197042392.

The previous prime is 47197042363. The next prime is 47197042411. The reversal of 47197042393 is 39324079174.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 34552489689 + 12644552704 = 185883^2 + 112448^2 .

It is a cyclic number.

It is not a de Polignac number, because 47197042393 - 2²⁵ = 47163487961 is a prime.

It is not a weakly prime, because it can be changed into another prime (47197042363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23598521196 + 23598521197.

It is an arithmetic number, because the mean of its divisors is an integer number (23598521197).

Almost surely, 2^47197042393 is an apocalyptic number.

It is an amenable number.

47197042393 is a deficient number, since it is larger than the sum of its proper divisors (1).

47197042393 is an equidigital number, since it uses as much as digits as its factorization.

47197042393 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1143072, while the sum is 49.

The spelling of 47197042393 in words is "forty-seven billion, one hundred ninety-seven million, forty-two thousand, three hundred ninety-three".