49195409 has 2 divisors, whose sum is σ = 49195410. Its totient is φ = 49195408.

The previous prime is 49195381. The next prime is 49195411. The reversal of 49195409 is 90459194.

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., 36966400 + 12229009 = 6080^2 + 3497^2 .

It is a cyclic number.

It is not a de Polignac number, because 49195409 - 2²⁴ = 32418193 is a prime.

Together with 49195411, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (49195429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24597704 + 24597705.

It is an arithmetic number, because the mean of its divisors is an integer number (24597705).

Almost surely, 2^49195409 is an apocalyptic number.

It is an amenable number.

49195409 is a deficient number, since it is larger than the sum of its proper divisors (1).

49195409 is an equidigital number, since it uses as much as digits as its factorization.

49195409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 58320, while the sum is 41.

The square root of 49195409 is about 7013.9438976941. The cubic root of 49195409 is about 366.4163620429.

The spelling of 49195409 in words is "forty-nine million, one hundred ninety-five thousand, four hundred nine".