3870216659 has 4 divisors (see below), whose sum is σ = 3870439560. Its totient is φ = 3869993760.

The previous prime is 3870216611. The next prime is 3870216661. The reversal of 3870216659 is 9566120783.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9566120783 = 2239 ⋅4272497.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3870216659 is a prime.

It is a super-2 number, since 2×3870216659² = 29957153975202244562, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3870216859) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 82982 + ... + 120939.

It is an arithmetic number, because the mean of its divisors is an integer number (967609890).

Almost surely, 2^3870216659 is an apocalyptic number.

3870216659 is a deficient number, since it is larger than the sum of its proper divisors (222901).

3870216659 is a wasteful number, since it uses less digits than its factorization.

3870216659 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222900.

The product of its (nonzero) digits is 544320, while the sum is 47.

The square root of 3870216659 is about 62211.0654064050. The cubic root of 3870216659 is about 1570.0437678307.

The spelling of 3870216659 in words is "three billion, eight hundred seventy million, two hundred sixteen thousand, six hundred fifty-nine".