49323697549 has 4 divisors (see below), whose sum is σ = 56369940064. Its totient is φ = 42277455036.

The previous prime is 49323697529. The next prime is 49323697567. The reversal of 49323697549 is 94579632394.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 49323697549 - 2⁹ = 49323697037 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 (49323697529) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3523121247 + ... + 3523121260.

It is an arithmetic number, because the mean of its divisors is an integer number (14092485016).

Almost surely, 2^49323697549 is an apocalyptic number.

It is an amenable number.

49323697549 is a deficient number, since it is larger than the sum of its proper divisors (7046242515).

49323697549 is an equidigital number, since it uses as much as digits as its factorization.

49323697549 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7046242514.

The product of its digits is 44089920, while the sum is 61.

The spelling of 49323697549 in words is "forty-nine billion, three hundred twenty-three million, six hundred ninety-seven thousand, five hundred forty-nine".