4151968787 has 12 divisors (see below), whose sum is σ = 4516044840. Its totient is φ = 3806542080.

The previous prime is 4151968783. The next prime is 4151968819. The reversal of 4151968787 is 7878691514.

It is a happy number.

4151968787 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 4151968787 - 2² = 4151968783 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4151968783) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 95438 + ... + 131955.

It is an arithmetic number, because the mean of its divisors is an integer number (376337070).

Almost surely, 2^4151968787 is an apocalyptic number.

4151968787 is a deficient number, since it is larger than the sum of its proper divisors (364076053).

4151968787 is a wasteful number, since it uses less digits than its factorization.

4151968787 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227474 (or 227443 counting only the distinct ones).

The product of its digits is 3386880, while the sum is 56.

The square root of 4151968787 is about 64435.7725723840. The cubic root of 4151968787 is about 1607.2546589608.

The spelling of 4151968787 in words is "four billion, one hundred fifty-one million, nine hundred sixty-eight thousand, seven hundred eighty-seven".