2673673657 has 4 divisors (see below), whose sum is σ = 2830948596. Its totient is φ = 2516398720.

The previous prime is 2673673637. The next prime is 2673673697. The reversal of 2673673657 is 7563763762.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2493604096 + 180069561 = 49936^2 + 13419^2 .

It is a cyclic number.

It is not a de Polignac number, because 2673673657 - 2⁷ = 2673673529 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2673673627) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78637444 + ... + 78637477.

It is an arithmetic number, because the mean of its divisors is an integer number (707737149).

Almost surely, 2^2673673657 is an apocalyptic number.

It is an amenable number.

2673673657 is a deficient number, since it is larger than the sum of its proper divisors (157274939).

2673673657 is a wasteful number, since it uses less digits than its factorization.

2673673657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157274938.

The product of its digits is 6667920, while the sum is 52.

The square root of 2673673657 is about 51707.5783323876. The cubic root of 2673673657 is about 1387.9360803572.

The spelling of 2673673657 in words is "two billion, six hundred seventy-three million, six hundred seventy-three thousand, six hundred fifty-seven".