10947227642 has 16 divisors (see below), whose sum is σ = 17711091720. Its totient is φ = 5044821312.

The previous prime is 10947227623. The next prime is 10947227651. The reversal of 10947227642 is 24672274901.

It is a Cunningham number, because it is equal to 104629²+1.

It can be written as a sum of positive squares in 4 ways, for example, as 6697621921 + 4249605721 = 81839^2 + 65189^2 .

It is a junction number, because it is equal to n+sod(n) for n = 10947227593 and 10947227602.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 305417 + ... + 339372.

Almost surely, 2^10947227642 is an apocalyptic number.

10947227642 is a deficient number, since it is larger than the sum of its proper divisors (6763864078).

10947227642 is a wasteful number, since it uses less digits than its factorization.

10947227642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 645457.

The product of its (nonzero) digits is 338688, while the sum is 44.

The spelling of 10947227642 in words is "ten billion, nine hundred forty-seven million, two hundred twenty-seven thousand, six hundred forty-two".