49188319 has 2 divisors, whose sum is σ = 49188320. Its totient is φ = 49188318.

The previous prime is 49188317. The next prime is 49188353. The reversal of 49188319 is 91388194.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 49188319 - 2¹ = 49188317 is a prime.

It is a super-2 number, since 2×49188319² = 4838981452091522, which contains 22 as substring.

Together with 49188317, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49188317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24594159 + 24594160.

It is an arithmetic number, because the mean of its divisors is an integer number (24594160).

Almost surely, 2^49188319 is an apocalyptic number.

49188319 is a deficient number, since it is larger than the sum of its proper divisors (1).

49188319 is an equidigital number, since it uses as much as digits as its factorization.

49188319 is an evil number, because the sum of its binary digits is even.

The product of its digits is 62208, while the sum is 43.

The square root of 49188319 is about 7013.4384577039. The cubic root of 49188319 is about 366.3987586603.

The spelling of 49188319 in words is "forty-nine million, one hundred eighty-eight thousand, three hundred nineteen".