1908013550 has 12 divisors (see below), whose sum is σ = 3548905296. Its totient is φ = 763205400.

The previous prime is 1908013543. The next prime is 1908013589. The reversal of 1908013550 is 553108091.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 19080086 + ... + 19080185.

It is an arithmetic number, because the mean of its divisors is an integer number (295742108).

Almost surely, 2^1908013550 is an apocalyptic number.

1908013550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1908013550 is a deficient number, since it is larger than the sum of its proper divisors (1640891746).

1908013550 is a wasteful number, since it uses less digits than its factorization.

1908013550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38160283 (or 38160278 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 32.

The square root of 1908013550 is about 43680.8144383779. The cubic root of 1908013550 is about 1240.3011647086.

The spelling of 1908013550 in words is "one billion, nine hundred eight million, thirteen thousand, five hundred fifty".