4126516013 has 4 divisors (see below), whose sum is σ = 4126688700. Its totient is φ = 4126343328.

The previous prime is 4126516003. The next prime is 4126516021. The reversal of 4126516013 is 3106156214.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 787756489 + 3338759524 = 28067^2 + 57782^2 .

It is a cyclic number.

It is not a de Polignac number, because 4126516013 - 2¹⁰ = 4126514989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4126516003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43370 + ... + 100667.

It is an arithmetic number, because the mean of its divisors is an integer number (1031672175).

Almost surely, 2^4126516013 is an apocalyptic number.

It is an amenable number.

4126516013 is a deficient number, since it is larger than the sum of its proper divisors (172687).

4126516013 is a wasteful number, since it uses less digits than its factorization.

4126516013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172686.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 4126516013 is about 64237.9639543471. The cubic root of 4126516013 is about 1603.9636121962.

The spelling of 4126516013 in words is "four billion, one hundred twenty-six million, five hundred sixteen thousand, thirteen".