47542653797 has 2 divisors, whose sum is σ = 47542653798. Its totient is φ = 47542653796.

The previous prime is 47542653629. The next prime is 47542653799. The reversal of 47542653797 is 79735624574.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 46345908961 + 1196744836 = 215281^2 + 34594^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47542653797 is a prime.

It is a super-2 number, since 2×47542653797² (a number of 22 digits) contains 22 as substring.

Together with 47542653799, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47542653799) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23771326898 + 23771326899.

It is an arithmetic number, because the mean of its divisors is an integer number (23771326899).

Almost surely, 2^47542653797 is an apocalyptic number.

It is an amenable number.

47542653797 is a deficient number, since it is larger than the sum of its proper divisors (1).

47542653797 is an equidigital number, since it uses as much as digits as its factorization.

47542653797 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 44452800, while the sum is 59.

The spelling of 47542653797 in words is "forty-seven billion, five hundred forty-two million, six hundred fifty-three thousand, seven hundred ninety-seven".