4145039999 has 4 divisors (see below), whose sum is σ = 4155977160. Its totient is φ = 4134102840.

The previous prime is 4145039971. The next prime is 4145040061. The reversal of 4145039999 is 9999305414.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 4145039999 - 2¹² = 4145035903 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4145039999.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4145039939) 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, 5468012 + ... + 5468769.

It is an arithmetic number, because the mean of its divisors is an integer number (1038994290).

Almost surely, 2^4145039999 is an apocalyptic number.

4145039999 is a deficient number, since it is larger than the sum of its proper divisors (10937161).

4145039999 is a wasteful number, since it uses less digits than its factorization.

4145039999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10937160.

The product of its (nonzero) digits is 1574640, while the sum is 53.

The square root of 4145039999 is about 64381.9850501676. The cubic root of 4145039999 is about 1606.3601012327.

The spelling of 4145039999 in words is "four billion, one hundred forty-five million, thirty-nine thousand, nine hundred ninety-nine".