49261959793 has 2 divisors, whose sum is σ = 49261959794. Its totient is φ = 49261959792.

The previous prime is 49261959779. The next prime is 49261959823. The reversal of 49261959793 is 39795916294.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 47831002209 + 1430957584 = 218703^2 + 37828^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-49261959793 is a prime.

It is not a weakly prime, because it can be changed into another prime (49261959713) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24630979896 + 24630979897.

It is an arithmetic number, because the mean of its divisors is an integer number (24630979897).

Almost surely, 2^49261959793 is an apocalyptic number.

It is an amenable number.

49261959793 is a deficient number, since it is larger than the sum of its proper divisors (1).

49261959793 is an equidigital number, since it uses as much as digits as its factorization.

49261959793 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 33067440, while the sum is 64.

The spelling of 49261959793 in words is "forty-nine billion, two hundred sixty-one million, nine hundred fifty-nine thousand, seven hundred ninety-three".