2698451645 has 8 divisors (see below), whose sum is σ = 3244582656. Its totient is φ = 2154467536.

The previous prime is 2698451641. The next prime is 2698451663. The reversal of 2698451645 is 5461548962.

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 2698451645 - 2² = 2698451641 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2698451593 and 2698451602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2698451641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 533957 + ... + 538986.

It is an arithmetic number, because the mean of its divisors is an integer number (405572832).

Almost surely, 2^2698451645 is an apocalyptic number.

It is an amenable number.

2698451645 is a deficient number, since it is larger than the sum of its proper divisors (546131011).

2698451645 is a wasteful number, since it uses less digits than its factorization.

2698451645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1073451.

The product of its digits is 2073600, while the sum is 50.

The square root of 2698451645 is about 51946.6230374988. The cubic root of 2698451645 is about 1392.2104203981.

The spelling of 2698451645 in words is "two billion, six hundred ninety-eight million, four hundred fifty-one thousand, six hundred forty-five".