49673641 has 2 divisors, whose sum is σ = 49673642. Its totient is φ = 49673640.

The previous prime is 49673639. The next prime is 49673651. The reversal of 49673641 is 14637694.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 49632025 + 41616 = 7045^2 + 204^2 .

It is a cyclic number.

It is not a de Polignac number, because 49673641 - 2¹ = 49673639 is a prime.

It is a super-2 number, since 2×49673641² = 4934941220393762, which contains 22 as substring.

Together with 49673639, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 49673594 and 49673603.

It is not a weakly prime, because it can be changed into another prime (49673621) 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, 24836820 + 24836821.

It is an arithmetic number, because the mean of its divisors is an integer number (24836821).

Almost surely, 2^49673641 is an apocalyptic number.

It is an amenable number.

49673641 is a deficient number, since it is larger than the sum of its proper divisors (1).

49673641 is an equidigital number, since it uses as much as digits as its factorization.

49673641 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 108864, while the sum is 40.

The square root of 49673641 is about 7047.9529652233. The cubic root of 49673641 is about 367.5998550134.

The spelling of 49673641 in words is "forty-nine million, six hundred seventy-three thousand, six hundred forty-one".