1902474007204 has 27 divisors (see below), whose sum is σ = 3387005015457. Its totient is φ = 935034343008.

The previous prime is 1902474007199. The next prime is 1902474007229. The reversal of 1902474007204 is 4027004742091.

It is a happy number.

The square root of 1902474007204 is 1379302.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 1886233053604 + 16240953600 = 1373402^2 + 127440^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 162751792 + ... + 162763480.

Almost surely, 2^{1902474007204} is an apocalyptic number.

1902474007204 is the 1379302-nd square number.

It is an amenable number.

1902474007204 is a deficient number, since it is larger than the sum of its proper divisors (1484531008253).

1902474007204 is an frugal number, since it uses more digits than its factorization.

1902474007204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23500 (or 11750 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 40.

Adding to 1902474007204 its reverse (4027004742091), we get a palindrome (5929478749295).

The spelling of 1902474007204 in words is "one trillion, nine hundred two billion, four hundred seventy-four million, seven thousand, two hundred four".