47972186903 has 2 divisors, whose sum is σ = 47972186904. Its totient is φ = 47972186902.

The previous prime is 47972186891. The next prime is 47972187007. The reversal of 47972186903 is 30968127974.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 47972186903 - 2⁴ = 47972186887 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47972186203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23986093451 + 23986093452.

It is an arithmetic number, because the mean of its divisors is an integer number (23986093452).

Almost surely, 2^47972186903 is an apocalyptic number.

47972186903 is a deficient number, since it is larger than the sum of its proper divisors (1).

47972186903 is an equidigital number, since it uses as much as digits as its factorization.

47972186903 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4572288, while the sum is 56.

The spelling of 47972186903 in words is "forty-seven billion, nine hundred seventy-two million, one hundred eighty-six thousand, nine hundred three".