1913048404 has 12 divisors (see below), whose sum is σ = 3348645300. Its totient is φ = 956292608.

The previous prime is 1913048393. The next prime is 1913048411. The reversal of 1913048404 is 4048403191.

It can be written as a sum of positive squares in 2 ways, for example, as 1100912400 + 812136004 = 33180^2 + 28498^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1913048404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38599 + ... + 72910.

It is an arithmetic number, because the mean of its divisors is an integer number (279053775).

Almost surely, 2^1913048404 is an apocalyptic number.

It is an amenable number.

1913048404 is a deficient number, since it is larger than the sum of its proper divisors (1435596896).

1913048404 is a wasteful number, since it uses less digits than its factorization.

1913048404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115802 (or 115800 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 34.

The square root of 1913048404 is about 43738.4087959313. The cubic root of 1913048404 is about 1241.3911727719.

The spelling of 1913048404 in words is "one billion, nine hundred thirteen million, forty-eight thousand, four hundred four".