93195454139 has 2 divisors, whose sum is σ = 93195454140. Its totient is φ = 93195454138.

The previous prime is 93195454123. The next prime is 93195454159. The reversal of 93195454139 is 93145459139.

It is a weak prime.

It is an emirp because it is prime and its reverse (93145459139) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 93195454139 - 2⁴ = 93195454123 is a prime.

It is not a weakly prime, because it can be changed into another prime (93195454159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 46597727069 + 46597727070.

It is an arithmetic number, because the mean of its divisors is an integer number (46597727070).

Almost surely, 2^93195454139 is an apocalyptic number.

93195454139 is a deficient number, since it is larger than the sum of its proper divisors (1).

93195454139 is an equidigital number, since it uses as much as digits as its factorization.

93195454139 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2624400, while the sum is 53.

Subtracting from 93195454139 its reverse (93145459139), we obtain a triangular number (49995000 = T₉₉₉₉).

The spelling of 93195454139 in words is "ninety-three billion, one hundred ninety-five million, four hundred fifty-four thousand, one hundred thirty-nine".