47217458501 has 2 divisors, whose sum is σ = 47217458502. Its totient is φ = 47217458500.

The previous prime is 47217458461. The next prime is 47217458507. The reversal of 47217458501 is 10585471274.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 35796261601 + 11421196900 = 189199^2 + 106870^2 .

It is a cyclic number.

It is not a de Polignac number, because 47217458501 - 2¹⁰ = 47217457477 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47217458507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23608729250 + 23608729251.

It is an arithmetic number, because the mean of its divisors is an integer number (23608729251).

Almost surely, 2^47217458501 is an apocalyptic number.

It is an amenable number.

47217458501 is a deficient number, since it is larger than the sum of its proper divisors (1).

47217458501 is an equidigital number, since it uses as much as digits as its factorization.

47217458501 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 313600, while the sum is 44.

The spelling of 47217458501 in words is "forty-seven billion, two hundred seventeen million, four hundred fifty-eight thousand, five hundred one".