49478459 has 2 divisors, whose sum is σ = 49478460. Its totient is φ = 49478458.

The previous prime is 49478441. The next prime is 49478467. The reversal of 49478459 is 95487494.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 49478459 - 2²⁴ = 32701243 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (49478659) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24739229 + 24739230.

It is an arithmetic number, because the mean of its divisors is an integer number (24739230).

Almost surely, 2^49478459 is an apocalyptic number.

49478459 is a deficient number, since it is larger than the sum of its proper divisors (1).

49478459 is an equidigital number, since it uses as much as digits as its factorization.

49478459 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1451520, while the sum is 50.

The square root of 49478459 is about 7034.0926209427. The cubic root of 49478459 is about 367.1177545599.

The spelling of 49478459 in words is "forty-nine million, four hundred seventy-eight thousand, four hundred fifty-nine".