49864429 has 2 divisors, whose sum is σ = 49864430. Its totient is φ = 49864428.

The previous prime is 49864411. The next prime is 49864433. The reversal of 49864429 is 92446894.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 38775529 + 11088900 = 6227^2 + 3330^2 .

It is a cyclic number.

It is not a de Polignac number, because 49864429 - 2¹¹ = 49862381 is a prime.

It is a super-2 number, since 2×49864429² = 4972922558992082, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49864439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24932214 + 24932215.

It is an arithmetic number, because the mean of its divisors is an integer number (24932215).

Almost surely, 2^49864429 is an apocalyptic number.

It is an amenable number.

49864429 is a deficient number, since it is larger than the sum of its proper divisors (1).

49864429 is an equidigital number, since it uses as much as digits as its factorization.

49864429 is an evil number, because the sum of its binary digits is even.

The product of its digits is 497664, while the sum is 46.

The square root of 49864429 is about 7061.4749875646. The cubic root of 49864429 is about 368.0698832508.

The spelling of 49864429 in words is "forty-nine million, eight hundred sixty-four thousand, four hundred twenty-nine".