49491413 has 2 divisors, whose sum is σ = 49491414. Its totient is φ = 49491412.

The previous prime is 49491391. The next prime is 49491439. The reversal of 49491413 is 31419494.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 24820324 + 24671089 = 4982^2 + 4967^2 .

It is a cyclic number.

It is not a de Polignac number, because 49491413 - 2⁶ = 49491349 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49491443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24745706 + 24745707.

It is an arithmetic number, because the mean of its divisors is an integer number (24745707).

Almost surely, 2^49491413 is an apocalyptic number.

It is an amenable number.

49491413 is a deficient number, since it is larger than the sum of its proper divisors (1).

49491413 is an equidigital number, since it uses as much as digits as its factorization.

49491413 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15552, while the sum is 35.

The square root of 49491413 is about 7035.0133617499. The cubic root of 49491413 is about 367.1497902412.

The spelling of 49491413 in words is "forty-nine million, four hundred ninety-one thousand, four hundred thirteen".