49351973939329 has 4 divisors (see below), whose sum is σ = 49401774115840. Its totient is φ = 49302173762820.

The previous prime is 49351973939311. The next prime is 49351973939341. The reversal of 49351973939329 is 92393937915394.

It is a happy number.

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 49351973939329 - 2¹⁷ = 49351973808257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49351973939309) 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, 24900086769 + ... + 24900088750.

It is an arithmetic number, because the mean of its divisors is an integer number (12350443528960).

Almost surely, 2^{49351973939329} is an apocalyptic number.

It is an amenable number.

49351973939329 is a deficient number, since it is larger than the sum of its proper divisors (49800176511).

49351973939329 is an equidigital number, since it uses as much as digits as its factorization.

49351973939329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49800176510.

The product of its digits is 1339231320, while the sum is 76.

The spelling of 49351973939329 in words is "forty-nine trillion, three hundred fifty-one billion, nine hundred seventy-three million, nine hundred thirty-nine thousand, three hundred twenty-nine".