961770834709 has 4 divisors (see below), whose sum is σ = 962298412416. Its totient is φ = 961243257004.

The previous prime is 961770834653. The next prime is 961770834721. The reversal of 961770834709 is 907438077169.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 961770834709 - 2⁷ = 961770834581 is a prime.

It is a super-2 number, since 2×961770834709² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (961770838709) 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, 263786119 + ... + 263789764.

It is an arithmetic number, because the mean of its divisors is an integer number (240574603104).

Almost surely, 2^961770834709 is an apocalyptic number.

It is an amenable number.

961770834709 is a deficient number, since it is larger than the sum of its proper divisors (527577707).

961770834709 is a wasteful number, since it uses less digits than its factorization.

961770834709 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 527577706.

The product of its (nonzero) digits is 16003008, while the sum is 61.

The spelling of 961770834709 in words is "nine hundred sixty-one billion, seven hundred seventy million, eight hundred thirty-four thousand, seven hundred nine".