47393374949 has 2 divisors, whose sum is σ = 47393374950. Its totient is φ = 47393374948.

The previous prime is 47393374927. The next prime is 47393374991. The reversal of 47393374949 is 94947339374.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 34738249924 + 12655125025 = 186382^2 + 112495^2 .

It is a cyclic number.

It is not a de Polignac number, because 47393374949 - 2¹⁶ = 47393309413 is a prime.

It is a super-2 number, since 2×47393374949² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 47393374891 and 47393374900.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47393374909) 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, 23696687474 + 23696687475.

It is an arithmetic number, because the mean of its divisors is an integer number (23696687475).

Almost surely, 2^47393374949 is an apocalyptic number.

It is an amenable number.

47393374949 is a deficient number, since it is larger than the sum of its proper divisors (1).

47393374949 is an equidigital number, since it uses as much as digits as its factorization.

47393374949 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 61725888, while the sum is 62.

The spelling of 47393374949 in words is "forty-seven billion, three hundred ninety-three million, three hundred seventy-four thousand, nine hundred forty-nine".