3869898427 has 2 divisors, whose sum is σ = 3869898428. Its totient is φ = 3869898426.

The previous prime is 3869898401. The next prime is 3869898437. The reversal of 3869898427 is 7248989683.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3869898427 - 2¹¹ = 3869896379 is a prime.

It is a super-2 number, since 2×3869898427² = 29952227670594148658, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3869898437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1934949213 + 1934949214.

It is an arithmetic number, because the mean of its divisors is an integer number (1934949214).

Almost surely, 2^3869898427 is an apocalyptic number.

3869898427 is a deficient number, since it is larger than the sum of its proper divisors (1).

3869898427 is an equidigital number, since it uses as much as digits as its factorization.

3869898427 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 41803776, while the sum is 64.

The square root of 3869898427 is about 62208.5076737901. The cubic root of 3869898427 is about 1570.0007339037. Note that the first 3 decimals are identical.

The spelling of 3869898427 in words is "three billion, eight hundred sixty-nine million, eight hundred ninety-eight thousand, four hundred twenty-seven".