1383795915 has 16 divisors (see below), whose sum is σ = 2214655776. Its totient is φ = 737830400.

The previous prime is 1383795883. The next prime is 1383795923. The reversal of 1383795915 is 5195973831.

It is not a de Polignac number, because 1383795915 - 2⁵ = 1383795883 is a prime.

It is a super-2 number, since 2×1383795915² = 3829782268741374450, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61045 + ... + 80585.

It is an arithmetic number, because the mean of its divisors is an integer number (138415986).

Almost surely, 2^1383795915 is an apocalyptic number.

1383795915 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1383795915 is a deficient number, since it is larger than the sum of its proper divisors (830859861).

1383795915 is a wasteful number, since it uses less digits than its factorization.

1383795915 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24270.

The product of its digits is 1020600, while the sum is 51.

The square root of 1383795915 is about 37199.4074549582. The cubic root of 1383795915 is about 1114.3561513072.

The spelling of 1383795915 in words is "one billion, three hundred eighty-three million, seven hundred ninety-five thousand, nine hundred fifteen".