10538280247 has 8 divisors (see below), whose sum is σ = 11539046160. Its totient is φ = 9544637760.

The previous prime is 10538280223. The next prime is 10538280301. The reversal of 10538280247 is 74208283501.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 10538280247 - 2⁷ = 10538280119 is a prime.

It is a super-2 number, since 2×10538280247² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10538280547) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1777758 + ... + 1783675.

It is an arithmetic number, because the mean of its divisors is an integer number (1442380770).

Almost surely, 2^10538280247 is an apocalyptic number.

10538280247 is a deficient number, since it is larger than the sum of its proper divisors (1000765913).

10538280247 is a wasteful number, since it uses less digits than its factorization.

10538280247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3561713.

The product of its (nonzero) digits is 107520, while the sum is 40.

The spelling of 10538280247 in words is "ten billion, five hundred thirty-eight million, two hundred eighty thousand, two hundred forty-seven".