94057000981 has 2 divisors, whose sum is σ = 94057000982. Its totient is φ = 94057000980.

The previous prime is 94057000979. The next prime is 94057001009. The reversal of 94057000981 is 18900075049.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 70230300100 + 23826700881 = 265010^2 + 154359^2 .

It is a cyclic number.

It is not a de Polignac number, because 94057000981 - 2¹ = 94057000979 is a prime.

It is a super-2 number, since 2×94057000981² (a number of 23 digits) contains 22 as substring.

Together with 94057000979, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (94057000781) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 47028500490 + 47028500491.

It is an arithmetic number, because the mean of its divisors is an integer number (47028500491).

Almost surely, 2^94057000981 is an apocalyptic number.

It is an amenable number.

94057000981 is a deficient number, since it is larger than the sum of its proper divisors (1).

94057000981 is an equidigital number, since it uses as much as digits as its factorization.

94057000981 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 90720, while the sum is 43.

The spelling of 94057000981 in words is "ninety-four billion, fifty-seven million, nine hundred eighty-one", and thus it is an aban number.