1538483770 has 32 divisors (see below), whose sum is σ = 2941804800. Its totient is φ = 577647936.

The previous prime is 1538483753. The next prime is 1538483773. The reversal of 1538483770 is 773848351.

It is a self number, because there is not a number n which added to its sum of digits gives 1538483770.

It is not an unprimeable number, because it can be changed into a prime (1538483773) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16434 + ... + 57853.

It is an arithmetic number, because the mean of its divisors is an integer number (91931400).

Almost surely, 2^1538483770 is an apocalyptic number.

1538483770 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1538483770 is a deficient number, since it is larger than the sum of its proper divisors (1403321030).

1538483770 is a wasteful number, since it uses less digits than its factorization.

1538483770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74422.

The product of its (nonzero) digits is 564480, while the sum is 46.

The square root of 1538483770 is about 39223.5104242341. The cubic root of 1538483770 is about 1154.4212338654.

The spelling of 1538483770 in words is "one billion, five hundred thirty-eight million, four hundred eighty-three thousand, seven hundred seventy".