47501617697 has 2 divisors, whose sum is σ = 47501617698. Its totient is φ = 47501617696.

The previous prime is 47501617687. The next prime is 47501617727. The reversal of 47501617697 is 79671610574.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 46628356096 + 873261601 = 215936^2 + 29551^2 .

It is a cyclic number.

It is not a de Polignac number, because 47501617697 - 2⁶ = 47501617633 is a prime.

It is not a weakly prime, because it can be changed into another prime (47501617687) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23750808848 + 23750808849.

It is an arithmetic number, because the mean of its divisors is an integer number (23750808849).

Almost surely, 2^47501617697 is an apocalyptic number.

It is an amenable number.

47501617697 is a deficient number, since it is larger than the sum of its proper divisors (1).

47501617697 is an equidigital number, since it uses as much as digits as its factorization.

47501617697 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2222640, while the sum is 53.

The spelling of 47501617697 in words is "forty-seven billion, five hundred one million, six hundred seventeen thousand, six hundred ninety-seven".