93937401881 has 2 divisors, whose sum is σ = 93937401882. Its totient is φ = 93937401880.

The previous prime is 93937401851. The next prime is 93937401889. The reversal of 93937401881 is 18810473939.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 49143795856 + 44793606025 = 221684^2 + 211645^2 .

It is a cyclic number.

It is not a de Polignac number, because 93937401881 - 2¹⁰ = 93937400857 is a prime.

It is a super-2 number, since 2×93937401881² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (93937401889) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 46968700940 + 46968700941.

It is an arithmetic number, because the mean of its divisors is an integer number (46968700941).

Almost surely, 2^93937401881 is an apocalyptic number.

It is an amenable number.

93937401881 is a deficient number, since it is larger than the sum of its proper divisors (1).

93937401881 is an equidigital number, since it uses as much as digits as its factorization.

93937401881 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1306368, while the sum is 53.

The spelling of 93937401881 in words is "ninety-three billion, nine hundred thirty-seven million, four hundred one thousand, eight hundred eighty-one".