2646734045 has 8 divisors (see below), whose sum is σ = 3176594520. Its totient is φ = 2117044800.

The previous prime is 2646734023. The next prime is 2646734047. The reversal of 2646734045 is 5404376462.

It can be written as a sum of positive squares in 4 ways, for example, as 255328441 + 2391405604 = 15979^2 + 48902^2 .

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

It is a de Polignac number, because none of the positive numbers 2^k-2646734045 is a prime.

It is a super-2 number, since 2×2646734045² = 14010402209924124050, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2646733993 and 2646734011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2646734047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5906 + ... + 72995.

It is an arithmetic number, because the mean of its divisors is an integer number (397074315).

Almost surely, 2^2646734045 is an apocalyptic number.

It is an amenable number.

2646734045 is a deficient number, since it is larger than the sum of its proper divisors (529860475).

2646734045 is an equidigital number, since it uses as much as digits as its factorization.

2646734045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85615.

The product of its (nonzero) digits is 483840, while the sum is 41.

The square root of 2646734045 is about 51446.4191659633. The cubic root of 2646734045 is about 1383.2587770660.

The spelling of 2646734045 in words is "two billion, six hundred forty-six million, seven hundred thirty-four thousand, forty-five".