10949561607 has 16 divisors (see below), whose sum is σ = 14850380160. Its totient is φ = 7175119392.

The previous prime is 10949561591. The next prime is 10949561633. The reversal of 10949561607 is 70616594901.

It is a happy number.

It is not a de Polignac number, because 10949561607 - 2⁴ = 10949561591 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10949561647) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62557 + ... + 160662.

It is an arithmetic number, because the mean of its divisors is an integer number (928148760).

Almost surely, 2^10949561607 is an apocalyptic number.

10949561607 is a deficient number, since it is larger than the sum of its proper divisors (3900818553).

10949561607 is a wasteful number, since it uses less digits than its factorization.

10949561607 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223502.

The product of its (nonzero) digits is 408240, while the sum is 48.

The spelling of 10949561607 in words is "ten billion, nine hundred forty-nine million, five hundred sixty-one thousand, six hundred seven".