47818176949 has 2 divisors, whose sum is σ = 47818176950. Its totient is φ = 47818176948.

The previous prime is 47818176871. The next prime is 47818177007. The reversal of 47818176949 is 94967181874.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 33786116100 + 14032060849 = 183810^2 + 118457^2 .

It is a cyclic number.

It is not a de Polignac number, because 47818176949 - 2¹³ = 47818168757 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47818146949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23909088474 + 23909088475.

It is an arithmetic number, because the mean of its divisors is an integer number (23909088475).

Almost surely, 2^47818176949 is an apocalyptic number.

It is an amenable number.

47818176949 is a deficient number, since it is larger than the sum of its proper divisors (1).

47818176949 is an equidigital number, since it uses as much as digits as its factorization.

47818176949 is an evil number, because the sum of its binary digits is even.

The product of its digits is 24385536, while the sum is 64.

The spelling of 47818176949 in words is "forty-seven billion, eight hundred eighteen million, one hundred seventy-six thousand, nine hundred forty-nine".