961914286771 has 4 divisors (see below), whose sum is σ = 961921327192. Its totient is φ = 961907246352.

The previous prime is 961914286759. The next prime is 961914286793. The reversal of 961914286771 is 177682419169.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 177682419169 = 43 ⋅4132149283.

It is a cyclic number.

It is not a de Polignac number, because 961914286771 - 2³¹ = 959766803123 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (961914286721) 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, 3311130 + ... + 3589903.

It is an arithmetic number, because the mean of its divisors is an integer number (240480331798).

Almost surely, 2^961914286771 is an apocalyptic number.

961914286771 is a deficient number, since it is larger than the sum of its proper divisors (7040421).

961914286771 is a wasteful number, since it uses less digits than its factorization.

961914286771 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7040420.

The product of its digits is 9144576, while the sum is 61.

The spelling of 961914286771 in words is "nine hundred sixty-one billion, nine hundred fourteen million, two hundred eighty-six thousand, seven hundred seventy-one".