4012378513 has 24 divisors (see below), whose sum is σ = 4758139904. Its totient is φ = 3360947040.

The previous prime is 4012378499. The next prime is 4012378537. The reversal of 4012378513 is 3158732104.

It is not a de Polignac number, because 4012378513 - 2⁵ = 4012378481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4012378213) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1009456 + ... + 1013422.

Almost surely, 2^4012378513 is an apocalyptic number.

It is an amenable number.

4012378513 is a deficient number, since it is larger than the sum of its proper divisors (745761391).

4012378513 is a wasteful number, since it uses less digits than its factorization.

4012378513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4645 (or 4634 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 4012378513 is about 63343.3383474537. The cubic root of 4012378513 is about 1589.0368377903.

The spelling of 4012378513 in words is "four billion, twelve million, three hundred seventy-eight thousand, five hundred thirteen".