961502748223 has 4 divisors (see below), whose sum is σ = 961505013960. Its totient is φ = 961500482488.

The previous prime is 961502748209. The next prime is 961502748277. The reversal of 961502748223 is 322847205169.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 322847205169 = 113 ⋅2857054913.

It is a cyclic number.

It is not a de Polignac number, because 961502748223 - 2¹³ = 961502740031 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (961502745223) 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, 284593 + ... + 1415626.

It is an arithmetic number, because the mean of its divisors is an integer number (240376253490).

It is a 1-persistent number, because it is pandigital, but 2⋅961502748223 = 1923005496446 is not.

Almost surely, 2^961502748223 is an apocalyptic number.

961502748223 is a deficient number, since it is larger than the sum of its proper divisors (2265737).

961502748223 is a wasteful number, since it uses less digits than its factorization.

961502748223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2265736.

The product of its (nonzero) digits is 1451520, while the sum is 49.

The spelling of 961502748223 in words is "nine hundred sixty-one billion, five hundred two million, seven hundred forty-eight thousand, two hundred twenty-three".