49452749 has 2 divisors, whose sum is σ = 49452750. Its totient is φ = 49452748.

The previous prime is 49452727. The next prime is 49452751. The reversal of 49452749 is 94725494.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 28015849 + 21436900 = 5293^2 + 4630^2 .

It is a cyclic number.

It is not a de Polignac number, because 49452749 - 2⁸ = 49452493 is a prime.

Together with 49452751, it forms a pair of twin primes.

It is a Chen prime.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49452769) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24726374 + 24726375.

It is an arithmetic number, because the mean of its divisors is an integer number (24726375).

Almost surely, 2^49452749 is an apocalyptic number.

It is an amenable number.

49452749 is a deficient number, since it is larger than the sum of its proper divisors (1).

49452749 is an equidigital number, since it uses as much as digits as its factorization.

49452749 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 362880, while the sum is 44.

The square root of 49452749 is about 7032.2648556493. The cubic root of 49452749 is about 367.0541562927.

The spelling of 49452749 in words is "forty-nine million, four hundred fifty-two thousand, seven hundred forty-nine".