2672540643 has 8 divisors (see below), whose sum is σ = 3567699648. Its totient is φ = 1779537704.

The previous prime is 2672540567. The next prime is 2672540681. The reversal of 2672540643 is 3460452762.

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 2672540643 - 2¹² = 2672536547 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2672540693) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 536121 + ... + 541082.

It is an arithmetic number, because the mean of its divisors is an integer number (445962456).

Almost surely, 2^2672540643 is an apocalyptic number.

2672540643 is a deficient number, since it is larger than the sum of its proper divisors (895159005).

2672540643 is a wasteful number, since it uses less digits than its factorization.

2672540643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1078033.

The product of its (nonzero) digits is 241920, while the sum is 39.

The square root of 2672540643 is about 51696.6211952000. The cubic root of 2672540643 is about 1387.7399989357.

The spelling of 2672540643 in words is "two billion, six hundred seventy-two million, five hundred forty thousand, six hundred forty-three".