2698561734 has 16 divisors (see below), whose sum is σ = 5887771200. Its totient is φ = 817745960.

The previous prime is 2698561669. The next prime is 2698561753. The reversal of 2698561734 is 4371658962.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20443584 + ... + 20443715.

It is an arithmetic number, because the mean of its divisors is an integer number (367985700).

Almost surely, 2^2698561734 is an apocalyptic number.

2698561734 is an abundant number, since it is smaller than the sum of its proper divisors (3189209466).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2698561734 is a wasteful number, since it uses less digits than its factorization.

2698561734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40887315.

The product of its digits is 2177280, while the sum is 51.

The square root of 2698561734 is about 51947.6826624634. The cubic root of 2698561734 is about 1392.2293528563.

The spelling of 2698561734 in words is "two billion, six hundred ninety-eight million, five hundred sixty-one thousand, seven hundred thirty-four".