2698721085 has 8 divisors (see below), whose sum is σ = 4317953760. Its totient is φ = 1439317904.

The previous prime is 2698721023. The next prime is 2698721093. The reversal of 2698721085 is 5801278962.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2698721085 - 2¹⁰ = 2698720061 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 89957355 + ... + 89957384.

It is an arithmetic number, because the mean of its divisors is an integer number (539744220).

Almost surely, 2^2698721085 is an apocalyptic number.

It is an amenable number.

2698721085 is a deficient number, since it is larger than the sum of its proper divisors (1619232675).

2698721085 is a wasteful number, since it uses less digits than its factorization.

2698721085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179914747.

The product of its (nonzero) digits is 483840, while the sum is 48.

The square root of 2698721085 is about 51949.2164040999. The cubic root of 2698721085 is about 1392.2567561912.

The spelling of 2698721085 in words is "two billion, six hundred ninety-eight million, seven hundred twenty-one thousand, eighty-five".