47334952981 has 2 divisors, whose sum is σ = 47334952982. Its totient is φ = 47334952980.

The previous prime is 47334952963. The next prime is 47334952991. The reversal of 47334952981 is 18925943374.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 37645700625 + 9689252356 = 194025^2 + 98434^2 .

It is a cyclic number.

It is not a de Polignac number, because 47334952981 - 2³⁵ = 12975214613 is a prime.

It is a super-2 number, since 2×47334952981² (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 (47334952991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23667476490 + 23667476491.

It is an arithmetic number, because the mean of its divisors is an integer number (23667476491).

Almost surely, 2^47334952981 is an apocalyptic number.

It is an amenable number.

47334952981 is a deficient number, since it is larger than the sum of its proper divisors (1).

47334952981 is an equidigital number, since it uses as much as digits as its factorization.

47334952981 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6531840, while the sum is 55.

The spelling of 47334952981 in words is "forty-seven billion, three hundred thirty-four million, nine hundred fifty-two thousand, nine hundred eighty-one".