2663421472 has 12 divisors (see below), whose sum is σ = 5243611086. Its totient is φ = 1331710720.

The previous prime is 2663421469. The next prime is 2663421473. The reversal of 2663421472 is 2741243662.

It can be written as a sum of positive squares in only one way, i.e., 2353802256 + 309619216 = 48516^2 + 17596^2 .

It is not an unprimeable number, because it can be changed into a prime (2663421473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41615929 + ... + 41615992.

Almost surely, 2^2663421472 is an apocalyptic number.

It is an amenable number.

2663421472 is a deficient number, since it is larger than the sum of its proper divisors (2580189614).

2663421472 is an equidigital number, since it uses as much as digits as its factorization.

2663421472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83231931 (or 83231923 counting only the distinct ones).

The product of its digits is 96768, while the sum is 37.

The square root of 2663421472 is about 51608.3469217916. The cubic root of 2663421472 is about 1386.1597972824.

The spelling of 2663421472 in words is "two billion, six hundred sixty-three million, four hundred twenty-one thousand, four hundred seventy-two".