47908868453 has 2 divisors, whose sum is σ = 47908868454. Its totient is φ = 47908868452.

The previous prime is 47908868363. The next prime is 47908868479. The reversal of 47908868453 is 35486880974.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 47113741249 + 795127204 = 217057^2 + 28198^2 .

It is a cyclic number.

It is not a de Polignac number, because 47908868453 - 2²⁰ = 47907819877 is a prime.

It is a super-2 number, since 2×47908868453² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47908864453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23954434226 + 23954434227.

It is an arithmetic number, because the mean of its divisors is an integer number (23954434227).

Almost surely, 2^47908868453 is an apocalyptic number.

It is an amenable number.

47908868453 is a deficient number, since it is larger than the sum of its proper divisors (1).

47908868453 is an equidigital number, since it uses as much as digits as its factorization.

47908868453 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 46448640, while the sum is 62.

The spelling of 47908868453 in words is "forty-seven billion, nine hundred eight million, eight hundred sixty-eight thousand, four hundred fifty-three".