49997434783 has 2 divisors, whose sum is σ = 49997434784. Its totient is φ = 49997434782.

The previous prime is 49997434733. The next prime is 49997434801. The reversal of 49997434783 is 38743479994.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 49997434783 - 2³³ = 41407500191 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49997434733) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24998717391 + 24998717392.

It is an arithmetic number, because the mean of its divisors is an integer number (24998717392).

Almost surely, 2^49997434783 is an apocalyptic number.

49997434783 is a deficient number, since it is larger than the sum of its proper divisors (1).

49997434783 is an equidigital number, since it uses as much as digits as its factorization.

49997434783 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 164602368, while the sum is 67.

The spelling of 49997434783 in words is "forty-nine billion, nine hundred ninety-seven million, four hundred thirty-four thousand, seven hundred eighty-three".