49371563243 has 4 divisors (see below), whose sum is σ = 49396412520. Its totient is φ = 49346713968.

The previous prime is 49371563239. The next prime is 49371563279. The reversal of 49371563243 is 34236517394.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34236517394 = 2 ⋅17118258697.

It is a cyclic number.

It is not a de Polignac number, because 49371563243 - 2² = 49371563239 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49371563233) 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, 12421658 + ... + 12425631.

It is an arithmetic number, because the mean of its divisors is an integer number (12349103130).

Almost surely, 2^49371563243 is an apocalyptic number.

49371563243 is a deficient number, since it is larger than the sum of its proper divisors (24849277).

49371563243 is a wasteful number, since it uses less digits than its factorization.

49371563243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24849276.

The product of its digits is 1632960, while the sum is 47.

The spelling of 49371563243 in words is "forty-nine billion, three hundred seventy-one million, five hundred sixty-three thousand, two hundred forty-three".