961013849 has 2 divisors, whose sum is σ = 961013850. Its totient is φ = 961013848.

The previous prime is 961013797. The next prime is 961013881. The reversal of 961013849 is 948310169.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 797045824 + 163968025 = 28232^2 + 12805^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-961013849 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (961019849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 480506924 + 480506925.

It is an arithmetic number, because the mean of its divisors is an integer number (480506925).

Almost surely, 2^961013849 is an apocalyptic number.

It is an amenable number.

961013849 is a deficient number, since it is larger than the sum of its proper divisors (1).

961013849 is an equidigital number, since it uses as much as digits as its factorization.

961013849 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 46656, while the sum is 41.

The square root of 961013849 is about 31000.2233701630. The cubic root of 961013849 is about 986.8319806982.

The spelling of 961013849 in words is "nine hundred sixty-one million, thirteen thousand, eight hundred forty-nine".