47372523691 has 2 divisors, whose sum is σ = 47372523692. Its totient is φ = 47372523690.

The previous prime is 47372523677. The next prime is 47372523767. The reversal of 47372523691 is 19632527374.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 47372523691 - 2⁵ = 47372523659 is a prime.

It is not a weakly prime, because it can be changed into another prime (47372523631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23686261845 + 23686261846.

It is an arithmetic number, because the mean of its divisors is an integer number (23686261846).

Almost surely, 2^47372523691 is an apocalyptic number.

47372523691 is a deficient number, since it is larger than the sum of its proper divisors (1).

47372523691 is an equidigital number, since it uses as much as digits as its factorization.

47372523691 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1905120, while the sum is 49.

The spelling of 47372523691 in words is "forty-seven billion, three hundred seventy-two million, five hundred twenty-three thousand, six hundred ninety-one".