961544411 has 4 divisors (see below), whose sum is σ = 961666992. Its totient is φ = 961421832.

The previous prime is 961544369. The next prime is 961544431. The reversal of 961544411 is 114445169.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-961544411 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (961544431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48656 + ... + 65501.

It is an arithmetic number, because the mean of its divisors is an integer number (240416748).

Almost surely, 2^961544411 is an apocalyptic number.

961544411 is a deficient number, since it is larger than the sum of its proper divisors (122581).

961544411 is a wasteful number, since it uses less digits than its factorization.

961544411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122580.

The product of its digits is 17280, while the sum is 35.

The square root of 961544411 is about 31008.7795793385. The cubic root of 961544411 is about 987.0135525616.

The spelling of 961544411 in words is "nine hundred sixty-one million, five hundred forty-four thousand, four hundred eleven".