49217126393 has 2 divisors, whose sum is σ = 49217126394. Its totient is φ = 49217126392.

The previous prime is 49217126363. The next prime is 49217126417. The reversal of 49217126393 is 39362171294.

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., 46691862889 + 2525263504 = 216083^2 + 50252^2 .

It is a cyclic number.

It is not a de Polignac number, because 49217126393 - 2¹⁶ = 49217060857 is a prime.

It is not a weakly prime, because it can be changed into another prime (49217126363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24608563196 + 24608563197.

It is an arithmetic number, because the mean of its divisors is an integer number (24608563197).

Almost surely, 2^49217126393 is an apocalyptic number.

It is an amenable number.

49217126393 is a deficient number, since it is larger than the sum of its proper divisors (1).

49217126393 is an equidigital number, since it uses as much as digits as its factorization.

49217126393 is an evil number, because the sum of its binary digits is even.

The product of its digits is 489888, while the sum is 47.

The spelling of 49217126393 in words is "forty-nine billion, two hundred seventeen million, one hundred twenty-six thousand, three hundred ninety-three".