49789021319 has 2 divisors, whose sum is σ = 49789021320. Its totient is φ = 49789021318.

The previous prime is 49789021309. The next prime is 49789021327. The reversal of 49789021319 is 91312098794.

49789021319 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-49789021319 is a prime.

It is a super-2 number, since 2×49789021319² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49789021309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24894510659 + 24894510660.

It is an arithmetic number, because the mean of its divisors is an integer number (24894510660).

Almost surely, 2^49789021319 is an apocalyptic number.

49789021319 is a deficient number, since it is larger than the sum of its proper divisors (1).

49789021319 is an equidigital number, since it uses as much as digits as its factorization.

49789021319 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 979776, while the sum is 53.

The spelling of 49789021319 in words is "forty-nine billion, seven hundred eighty-nine million, twenty-one thousand, three hundred nineteen".