2141638699 has 16 divisors (see below), whose sum is σ = 2368418400. Its totient is φ = 1927908864.

The previous prime is 2141638687. The next prime is 2141638711. The reversal of 2141638699 is 9968361412.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2141638687) and next prime (2141638711).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2141638699 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2141638669) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8257 + ... + 65965.

It is an arithmetic number, because the mean of its divisors is an integer number (148026150).

Almost surely, 2^2141638699 is an apocalyptic number.

2141638699 is a deficient number, since it is larger than the sum of its proper divisors (226779701).

2141638699 is a wasteful number, since it uses less digits than its factorization.

2141638699 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57822.

The product of its digits is 559872, while the sum is 49.

The square root of 2141638699 is about 46277.8424194560. The cubic root of 2141638699 is about 1288.9875875587.

The spelling of 2141638699 in words is "two billion, one hundred forty-one million, six hundred thirty-eight thousand, six hundred ninety-nine".