49999995949 has 2 divisors, whose sum is σ = 49999995950. Its totient is φ = 49999995948.

The previous prime is 49999995943. The next prime is 49999996001. The reversal of 49999995949 is 94959999994.

49999995949 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 35299645924 + 14700350025 = 187882^2 + 121245^2 .

It is a cyclic number.

It is not a de Polignac number, because 49999995949 - 2¹⁹ = 49999471661 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49999995943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24999997974 + 24999997975.

It is an arithmetic number, because the mean of its divisors is an integer number (24999997975).

Almost surely, 2^49999995949 is an apocalyptic number.

It is an amenable number.

49999995949 is a deficient number, since it is larger than the sum of its proper divisors (1).

49999995949 is an equidigital number, since it uses as much as digits as its factorization.

49999995949 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3443737680, while the sum is 85.

The spelling of 49999995949 in words is "forty-nine billion, nine hundred ninety-nine million, nine hundred ninety-five thousand, nine hundred forty-nine".