2546697089 has 12 divisors (see below), whose sum is σ = 2722269780. Its totient is φ = 2379535200.

The previous prime is 2546697079. The next prime is 2546697133. The reversal of 2546697089 is 9807966452.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1733306689 + 813390400 = 41633^2 + 28520^2 .

It is a de Polignac number, because none of the positive numbers 2^k-2546697089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2546697079) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17822 + ... + 73559.

It is an arithmetic number, because the mean of its divisors is an integer number (226855815).

Almost surely, 2^2546697089 is an apocalyptic number.

2546697089 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

It is an amenable number.

2546697089 is a deficient number, since it is larger than the sum of its proper divisors (175572691).

2546697089 is an equidigital number, since it uses as much as digits as its factorization.

2546697089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91472 (or 91441 counting only the distinct ones).

The product of its (nonzero) digits is 6531840, while the sum is 56.

The square root of 2546697089 is about 50464.8104028936. The cubic root of 2546697089 is about 1365.6070933486.

The spelling of 2546697089 in words is "two billion, five hundred forty-six million, six hundred ninety-seven thousand, eighty-nine".