49219270117 has 2 divisors, whose sum is σ = 49219270118. Its totient is φ = 49219270116.

The previous prime is 49219270109. The next prime is 49219270171. The reversal of 49219270117 is 71107291294.

Together with next prime (49219270171) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 40675225761 + 8544044356 = 201681^2 + 92434^2 .

It is a cyclic number.

It is not a de Polignac number, because 49219270117 - 2³ = 49219270109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49219279117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24609635058 + 24609635059.

It is an arithmetic number, because the mean of its divisors is an integer number (24609635059).

Almost surely, 2^49219270117 is an apocalyptic number.

It is an amenable number.

49219270117 is a deficient number, since it is larger than the sum of its proper divisors (1).

49219270117 is an equidigital number, since it uses as much as digits as its factorization.

49219270117 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 63504, while the sum is 43.

The spelling of 49219270117 in words is "forty-nine billion, two hundred nineteen million, two hundred seventy thousand, one hundred seventeen".