49213849 has 2 divisors, whose sum is σ = 49213850. Its totient is φ = 49213848.

The previous prime is 49213837. The next prime is 49213867. The reversal of 49213849 is 94831294.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 31304025 + 17909824 = 5595^2 + 4232^2 .

It is a cyclic number.

It is not a de Polignac number, because 49213849 - 2¹¹ = 49211801 is a prime.

It is not a weakly prime, because it can be changed into another prime (49213889) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24606924 + 24606925.

It is an arithmetic number, because the mean of its divisors is an integer number (24606925).

Almost surely, 2^49213849 is an apocalyptic number.

It is an amenable number.

49213849 is a deficient number, since it is larger than the sum of its proper divisors (1).

49213849 is an equidigital number, since it uses as much as digits as its factorization.

49213849 is an evil number, because the sum of its binary digits is even.

The product of its digits is 62208, while the sum is 40.

The square root of 49213849 is about 7015.2582988797. The cubic root of 49213849 is about 366.4621378163.

It can be divided in two parts, 492 and 13849, that added together give a palindrome (14341).

The spelling of 49213849 in words is "forty-nine million, two hundred thirteen thousand, eight hundred forty-nine".