2663542372 has 6 divisors (see below), whose sum is σ = 4661199158. Its totient is φ = 1331771184.

The previous prime is 2663542339. The next prime is 2663542397. The reversal of 2663542372 is 2732453662.

It is a happy number.

2663542372 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 2446687296 + 216855076 = 49464^2 + 14726^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 332942793 + ... + 332942800.

Almost surely, 2^2663542372 is an apocalyptic number.

It is an amenable number.

2663542372 is a deficient number, since it is larger than the sum of its proper divisors (1997656786).

2663542372 is a wasteful number, since it uses less digits than its factorization.

2663542372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 665885597 (or 665885595 counting only the distinct ones).

The product of its digits is 362880, while the sum is 40.

The square root of 2663542372 is about 51609.5182306520. The cubic root of 2663542372 is about 1386.1807708291.

The spelling of 2663542372 in words is "two billion, six hundred sixty-three million, five hundred forty-two thousand, three hundred seventy-two".