2673236621 has 16 divisors (see below), whose sum is σ = 3090493440. Its totient is φ = 2285268480.

The previous prime is 2673236561. The next prime is 2673236633. The reversal of 2673236621 is 1266323762.

It is a happy number.

It is not a de Polignac number, because 2673236621 - 2¹⁴ = 2673220237 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2673236641) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 233585 + ... + 244761.

It is an arithmetic number, because the mean of its divisors is an integer number (193155840).

Almost surely, 2^2673236621 is an apocalyptic number.

It is an amenable number.

2673236621 is a deficient number, since it is larger than the sum of its proper divisors (417256819).

2673236621 is a wasteful number, since it uses less digits than its factorization.

2673236621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12484.

The product of its digits is 108864, while the sum is 38.

The square root of 2673236621 is about 51703.3521253700. The cubic root of 2673236621 is about 1387.8604526924.

The spelling of 2673236621 in words is "two billion, six hundred seventy-three million, two hundred thirty-six thousand, six hundred twenty-one".