49601789 has 2 divisors, whose sum is σ = 49601790. Its totient is φ = 49601788.

The previous prime is 49601753. The next prime is 49601791. The reversal of 49601789 is 98710694.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 44448889 + 5152900 = 6667^2 + 2270^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-49601789 is a prime.

Together with 49601791, it forms a pair of twin primes.

It is a Chen prime.

It is equal to p_2978657 and since 49601789 and 2978657 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49661789) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24800894 + 24800895.

It is an arithmetic number, because the mean of its divisors is an integer number (24800895).

Almost surely, 2^49601789 is an apocalyptic number.

It is an amenable number.

49601789 is a deficient number, since it is larger than the sum of its proper divisors (1).

49601789 is an equidigital number, since it uses as much as digits as its factorization.

49601789 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108864, while the sum is 44.

The square root of 49601789 is about 7042.8537539835. The cubic root of 49601789 is about 367.4225273624.

The spelling of 49601789 in words is "forty-nine million, six hundred one thousand, seven hundred eighty-nine".