49423489 has 2 divisors, whose sum is σ = 49423490. Its totient is φ = 49423488.

The previous prime is 49423487. The next prime is 49423501. The reversal of 49423489 is 98432494.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 47720464 + 1703025 = 6908^2 + 1305^2 .

It is a cyclic number.

It is not a de Polignac number, because 49423489 - 2¹ = 49423487 is a prime.

Together with 49423487, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (49423487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24711744 + 24711745.

It is an arithmetic number, because the mean of its divisors is an integer number (24711745).

Almost surely, 2^49423489 is an apocalyptic number.

It is an amenable number.

49423489 is a deficient number, since it is larger than the sum of its proper divisors (1).

49423489 is an equidigital number, since it uses as much as digits as its factorization.

49423489 is an evil number, because the sum of its binary digits is even.

The product of its digits is 248832, while the sum is 43.

The square root of 49423489 is about 7030.1841369910. The cubic root of 49423489 is about 366.9817496437.

The spelling of 49423489 in words is "forty-nine million, four hundred twenty-three thousand, four hundred eighty-nine".