2544630002 has 4 divisors (see below), whose sum is σ = 3816945006. Its totient is φ = 1272315000.

The previous prime is 2544629981. The next prime is 2544630007. The reversal of 2544630002 is 2000364452.

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

It can be written as a sum of positive squares in only one way, i.e., 1375742281 + 1168887721 = 37091^2 + 34189^2 .

It is not an unprimeable number, because it can be changed into a prime (2544630007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 636157499 + ... + 636157502.

Almost surely, 2^2544630002 is an apocalyptic number.

2544630002 is a deficient number, since it is larger than the sum of its proper divisors (1272315004).

2544630002 is a wasteful number, since it uses less digits than its factorization.

2544630002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1272315003.

The product of its (nonzero) digits is 5760, while the sum is 26.

The square root of 2544630002 is about 50444.3257661355. The cubic root of 2544630002 is about 1365.2375175603.

Adding to 2544630002 its reverse (2000364452), we get a palindrome (4544994454).

The spelling of 2544630002 in words is "two billion, five hundred forty-four million, six hundred thirty thousand, two".