49484639 has 2 divisors, whose sum is σ = 49484640. Its totient is φ = 49484638.

The previous prime is 49484597. The next prime is 49484641. The reversal of 49484639 is 93648494.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-49484639 is a prime.

Together with 49484641, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 49484593 and 49484602.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49483639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24742319 + 24742320.

It is an arithmetic number, because the mean of its divisors is an integer number (24742320).

Almost surely, 2^49484639 is an apocalyptic number.

49484639 is a deficient number, since it is larger than the sum of its proper divisors (1).

49484639 is an equidigital number, since it uses as much as digits as its factorization.

49484639 is an evil number, because the sum of its binary digits is even.

The product of its digits is 746496, while the sum is 47.

The square root of 49484639 is about 7034.5318962956. The cubic root of 49484639 is about 367.1330386068.

The spelling of 49484639 in words is "forty-nine million, four hundred eighty-four thousand, six hundred thirty-nine".