10261776946 has 16 divisors (see below), whose sum is σ = 16302588120. Its totient is φ = 4827746560.

The previous prime is 10261776893. The next prime is 10261776947. The reversal of 10261776946 is 64967716201.

It can be written as a sum of positive squares in 4 ways, for example, as 9967825921 + 293951025 = 99839^2 + 17145^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 10261776946.

It is not an unprimeable number, because it can be changed into a prime (10261776947) 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, 90420 + ... + 169408.

Almost surely, 2^10261776946 is an apocalyptic number.

10261776946 is a deficient number, since it is larger than the sum of its proper divisors (6040811174).

10261776946 is a wasteful number, since it uses less digits than its factorization.

10261776946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82829.

The product of its (nonzero) digits is 762048, while the sum is 49.

The spelling of 10261776946 in words is "ten billion, two hundred sixty-one million, seven hundred seventy-six thousand, nine hundred forty-six".