3870213658 has 8 divisors (see below), whose sum is σ = 5806189620. Its totient is φ = 1934817120.

The previous prime is 3870213649. The next prime is 3870213671. The reversal of 3870213658 is 8563120783.

It can be written as a sum of positive squares in 2 ways, for example, as 3831238609 + 38975049 = 61897^2 + 6243^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 127753 + ... + 155116.

Almost surely, 2^3870213658 is an apocalyptic number.

3870213658 is a deficient number, since it is larger than the sum of its proper divisors (1935975962).

3870213658 is a wasteful number, since it uses less digits than its factorization.

3870213658 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 289712.

The product of its (nonzero) digits is 241920, while the sum is 43.

The square root of 3870213658 is about 62211.0412868970. The cubic root of 3870213658 is about 1570.0433620220.

The spelling of 3870213658 in words is "three billion, eight hundred seventy million, two hundred thirteen thousand, six hundred fifty-eight".