10509221846 has 8 divisors (see below), whose sum is σ = 15819932664. Its totient is φ = 5235910960.

The previous prime is 10509221843. The next prime is 10509221861. The reversal of 10509221846 is 64812290501.

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

It is a super-2 number, since 2×10509221846² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10509221843) 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, 9349280 + ... + 9350403.

It is an arithmetic number, because the mean of its divisors is an integer number (1977491583).

Almost surely, 2^10509221846 is an apocalyptic number.

10509221846 is a deficient number, since it is larger than the sum of its proper divisors (5310710818).

10509221846 is a wasteful number, since it uses less digits than its factorization.

10509221846 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18699966.

The product of its (nonzero) digits is 34560, while the sum is 38.

The spelling of 10509221846 in words is "ten billion, five hundred nine million, two hundred twenty-one thousand, eight hundred forty-six".