49183437393 has 6 divisors (see below), whose sum is σ = 71042742914. Its totient is φ = 32788958256.

The previous prime is 49183437389. The next prime is 49183437437. The reversal of 49183437393 is 39373438194.

49183437393 is a `hidden beast` number, since 4 + 9 + 183 + 4 + 373 + 93 = 666.

It can be written as a sum of positive squares in only one way, i.e., 48403520064 + 779917329 = 220008^2 + 27927^2 .

It is not a de Polignac number, because 49183437393 - 2² = 49183437389 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (49183437323) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2732413180 + ... + 2732413197.

Almost surely, 2^49183437393 is an apocalyptic number.

It is an amenable number.

49183437393 is a deficient number, since it is larger than the sum of its proper divisors (21859305521).

49183437393 is a wasteful number, since it uses less digits than its factorization.

49183437393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5464826383 (or 5464826380 counting only the distinct ones).

The product of its digits is 5878656, while the sum is 54.

The spelling of 49183437393 in words is "forty-nine billion, one hundred eighty-three million, four hundred thirty-seven thousand, three hundred ninety-three".