49497951829 has 4 divisors (see below), whose sum is σ = 49500288684. Its totient is φ = 49495614976.

The previous prime is 49497951827. The next prime is 49497951851. The reversal of 49497951829 is 92815979494.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2179956100 + 47317995729 = 46690^2 + 217527^2 .

It is a cyclic number.

It is not a de Polignac number, because 49497951829 - 2¹ = 49497951827 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49497951827) 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 in 3 ways as a sum of consecutive naturals, for example, 1136362 + ... + 1179115.

It is an arithmetic number, because the mean of its divisors is an integer number (12375072171).

Almost surely, 2^49497951829 is an apocalyptic number.

It is an amenable number.

49497951829 is a deficient number, since it is larger than the sum of its proper divisors (2336855).

49497951829 is a wasteful number, since it uses less digits than its factorization.

49497951829 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2336854.

The product of its digits is 58786560, while the sum is 67.

The spelling of 49497951829 in words is "forty-nine billion, four hundred ninety-seven million, nine hundred fifty-one thousand, eight hundred twenty-nine".