2761561320434 has 16 divisors (see below), whose sum is σ = 4749230064768. Its totient is φ = 1179745044192.

The previous prime is 2761561320403. The next prime is 2761561320457. The reversal of 2761561320434 is 4340231651672.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 315098462 + ... + 315107225.

It is an arithmetic number, because the mean of its divisors is an integer number (296826879048).

Almost surely, 2^{2761561320434} is an apocalyptic number.

2761561320434 is a deficient number, since it is larger than the sum of its proper divisors (1987668744334).

2761561320434 is a wasteful number, since it uses less digits than its factorization.

2761561320434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 630206009.

The product of its (nonzero) digits is 725760, while the sum is 44.

The spelling of 2761561320434 in words is "two trillion, seven hundred sixty-one billion, five hundred sixty-one million, three hundred twenty thousand, four hundred thirty-four".