49198859 has 2 divisors, whose sum is σ = 49198860. Its totient is φ = 49198858.

The previous prime is 49198813. The next prime is 49198871. The reversal of 49198859 is 95889194.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 49198859 - 2¹⁶ = 49133323 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 49198859.

It is not a weakly prime, because it can be changed into another prime (49198159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24599429 + 24599430.

It is an arithmetic number, because the mean of its divisors is an integer number (24599430).

Almost surely, 2^49198859 is an apocalyptic number.

49198859 is a deficient number, since it is larger than the sum of its proper divisors (1).

49198859 is an equidigital number, since it uses as much as digits as its factorization.

49198859 is an evil number, because the sum of its binary digits is even.

The product of its digits is 933120, while the sum is 53.

The square root of 49198859 is about 7014.1898320476. The cubic root of 49198859 is about 366.4249272520.

The spelling of 49198859 in words is "forty-nine million, one hundred ninety-eight thousand, eight hundred fifty-nine".