803249249247 has 24 divisors (see below), whose sum is σ = 1165544864640. Its totient is φ = 533056138560.

The previous prime is 803249249237. The next prime is 803249249251. The reversal of 803249249247 is 742942942308.

803249249247 is a `hidden beast` number, since 8 + 0 + 3 + 24 + 92 + 492 + 47 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-803249249247 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 803249249193 and 803249249202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (803249249227) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11240113 + ... + 11311349.

It is an arithmetic number, because the mean of its divisors is an integer number (48564369360).

Almost surely, 2^803249249247 is an apocalyptic number.

803249249247 is a deficient number, since it is larger than the sum of its proper divisors (362295615393).

803249249247 is a wasteful number, since it uses less digits than its factorization.

803249249247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76943 (or 76940 counting only the distinct ones).

The product of its (nonzero) digits is 6967296, while the sum is 54.

The spelling of 803249249247 in words is "eight hundred three billion, two hundred forty-nine million, two hundred forty-nine thousand, two hundred forty-seven".