47947952629 has 2 divisors, whose sum is σ = 47947952630. Its totient is φ = 47947952628.

The previous prime is 47947952597. The next prime is 47947952693. The reversal of 47947952629 is 92625974974.

It is an a-pointer prime, because the next prime (47947952693) can be obtained adding 47947952629 to its sum of digits (64).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 45369852004 + 2578100625 = 213002^2 + 50775^2 .

It is a cyclic number.

It is not a de Polignac number, because 47947952629 - 2⁵ = 47947952597 is a prime.

It is a super-2 number, since 2×47947952629² (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 (47947950629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23973976314 + 23973976315.

It is an arithmetic number, because the mean of its divisors is an integer number (23973976315).

Almost surely, 2^47947952629 is an apocalyptic number.

It is an amenable number.

47947952629 is a deficient number, since it is larger than the sum of its proper divisors (1).

47947952629 is an equidigital number, since it uses as much as digits as its factorization.

47947952629 is an evil number, because the sum of its binary digits is even.

The product of its digits is 68584320, while the sum is 64.

The spelling of 47947952629 in words is "forty-seven billion, nine hundred forty-seven million, nine hundred fifty-two thousand, six hundred twenty-nine".