49018481093 has 2 divisors, whose sum is σ = 49018481094. Its totient is φ = 49018481092.

The previous prime is 49018481027. The next prime is 49018481101. The reversal of 49018481093 is 39018481094.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 31096500964 + 17921980129 = 176342^2 + 133873^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-49018481093 is a prime.

It is a super-2 number, since 2×49018481093² (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 (49018481593) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24509240546 + 24509240547.

It is an arithmetic number, because the mean of its divisors is an integer number (24509240547).

Almost surely, 2^49018481093 is an apocalyptic number.

It is an amenable number.

49018481093 is a deficient number, since it is larger than the sum of its proper divisors (1).

49018481093 is an equidigital number, since it uses as much as digits as its factorization.

49018481093 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 248832, while the sum is 47.

Subtracting from 49018481093 its reverse (39018481094), we obtain a palindrome (9999999999).

The spelling of 49018481093 in words is "forty-nine billion, eighteen million, four hundred eighty-one thousand, ninety-three".