961039253145743 has 16 divisors (see below), whose sum is σ = 1027455293419776. Its totient is φ = 895721555890560.

The previous prime is 961039253145679. The next prime is 961039253145767. The reversal of 961039253145743 is 347541352930169.

It is a happy number.

It is not a de Polignac number, because 961039253145743 - 2⁶ = 961039253145679 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (961039253195743) 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, 392563880 + ... + 395004402.

It is an arithmetic number, because the mean of its divisors is an integer number (64215955838736).

Almost surely, 2^{961039253145743} is an apocalyptic number.

961039253145743 is a deficient number, since it is larger than the sum of its proper divisors (66416040274033).

961039253145743 is a wasteful number, since it uses less digits than its factorization.

961039253145743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2665534.

The product of its (nonzero) digits is 73483200, while the sum is 62.

The spelling of 961039253145743 in words is "nine hundred sixty-one trillion, thirty-nine billion, two hundred fifty-three million, one hundred forty-five thousand, seven hundred forty-three".