49149799 has 2 divisors, whose sum is σ = 49149800. Its totient is φ = 49149798.

The previous prime is 49149767. The next prime is 49149823. The reversal of 49149799 is 99794194.

49149799 is nontrivially palindromic in base 13.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 49149799 - 2⁵ = 49149767 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49119799) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24574899 + 24574900.

It is an arithmetic number, because the mean of its divisors is an integer number (24574900).

Almost surely, 2^49149799 is an apocalyptic number.

49149799 is a deficient number, since it is larger than the sum of its proper divisors (1).

49149799 is an equidigital number, since it uses as much as digits as its factorization.

49149799 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 734832, while the sum is 52.

The square root of 49149799 is about 7010.6917632998. The cubic root of 49149799 is about 366.3030898357.

The spelling of 49149799 in words is "forty-nine million, one hundred forty-nine thousand, seven hundred ninety-nine".