10564774947 has 36 divisors (see below), whose sum is σ = 15877049160. Its totient is φ = 6943131000.

The previous prime is 10564774939. The next prime is 10564774949. The reversal of 10564774947 is 74947746501.

It is a happy number.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

10564774947 is a `hidden beast` number, since 1 + 0 + 564 + 7 + 74 + 9 + 4 + 7 = 666.

It is not a de Polignac number, because 10564774947 - 2³ = 10564774939 is a prime.

It is a super-2 number, since 2×10564774947² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10564774893 and 10564774902.

It is not an unprimeable number, because it can be changed into a prime (10564774949) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 69965322 + ... + 69965472.

Almost surely, 2^10564774947 is an apocalyptic number.

10564774947 is a deficient number, since it is larger than the sum of its proper divisors (5312274213).

10564774947 is an frugal number, since it uses more digits than its factorization.

10564774947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 573 (or 285 counting only the distinct ones).

The product of its (nonzero) digits is 5927040, while the sum is 54.

The spelling of 10564774947 in words is "ten billion, five hundred sixty-four million, seven hundred seventy-four thousand, nine hundred forty-seven".