47074160621 has 2 divisors, whose sum is σ = 47074160622. Its totient is φ = 47074160620.

The previous prime is 47074160561. The next prime is 47074160647. The reversal of 47074160621 is 12606147074.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 43002316900 + 4071843721 = 207370^2 + 63811^2 .

It is a cyclic number.

It is not a de Polignac number, because 47074160621 - 2¹⁸ = 47073898477 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47074160521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23537080310 + 23537080311.

It is an arithmetic number, because the mean of its divisors is an integer number (23537080311).

Almost surely, 2^47074160621 is an apocalyptic number.

It is an amenable number.

47074160621 is a deficient number, since it is larger than the sum of its proper divisors (1).

47074160621 is an equidigital number, since it uses as much as digits as its factorization.

47074160621 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 56448, while the sum is 38.

The spelling of 47074160621 in words is "forty-seven billion, seventy-four million, one hundred sixty thousand, six hundred twenty-one".