93428189137 has 2 divisors, whose sum is σ = 93428189138. Its totient is φ = 93428189136.

The previous prime is 93428189083. The next prime is 93428189167. The reversal of 93428189137 is 73198182439.

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., 64457085456 + 28971103681 = 253884^2 + 170209^2 .

It is a cyclic number.

It is not a de Polignac number, because 93428189137 - 2⁷ = 93428189009 is a prime.

It is not a weakly prime, because it can be changed into another prime (93428189167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 46714094568 + 46714094569.

It is an arithmetic number, because the mean of its divisors is an integer number (46714094569).

Almost surely, 2^93428189137 is an apocalyptic number.

It is an amenable number.

93428189137 is a deficient number, since it is larger than the sum of its proper divisors (1).

93428189137 is an equidigital number, since it uses as much as digits as its factorization.

93428189137 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2612736, while the sum is 55.

The spelling of 93428189137 in words is "ninety-three billion, four hundred twenty-eight million, one hundred eighty-nine thousand, one hundred thirty-seven".