49413421 has 2 divisors, whose sum is σ = 49413422. Its totient is φ = 49413420.

The previous prime is 49413383. The next prime is 49413439. The reversal of 49413421 is 12431494.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 49070025 + 343396 = 7005^2 + 586^2 .

It is a cyclic number.

It is not a de Polignac number, because 49413421 - 2²³ = 41024813 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 49413421.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49413451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24706710 + 24706711.

It is an arithmetic number, because the mean of its divisors is an integer number (24706711).

Almost surely, 2^49413421 is an apocalyptic number.

It is an amenable number.

49413421 is a deficient number, since it is larger than the sum of its proper divisors (1).

49413421 is an equidigital number, since it uses as much as digits as its factorization.

49413421 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3456, while the sum is 28.

The square root of 49413421 is about 7029.4680453076. The cubic root of 49413421 is about 366.9568288133.

The spelling of 49413421 in words is "forty-nine million, four hundred thirteen thousand, four hundred twenty-one".