3869951487 has 24 divisors (see below), whose sum is σ = 5352970896. Its totient is φ = 2486824704.

The previous prime is 3869951461. The next prime is 3869951627. The reversal of 3869951487 is 7841599683.

It is not a de Polignac number, because 3869951487 - 2⁷ = 3869951359 is a prime.

It is a super-2 number, since 2×3869951487² = 29953049023467022338, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3869951487.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3869251487) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2363233 + ... + 2364869.

It is an arithmetic number, because the mean of its divisors is an integer number (223040454).

Almost surely, 2^3869951487 is an apocalyptic number.

3869951487 is a deficient number, since it is larger than the sum of its proper divisors (1483019409).

3869951487 is a wasteful number, since it uses less digits than its factorization.

3869951487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2635 (or 2606 counting only the distinct ones).

The product of its digits is 13063680, while the sum is 60.

The square root of 3869951487 is about 62208.9341413273. The cubic root of 3869951487 is about 1570.0079092736.

The spelling of 3869951487 in words is "three billion, eight hundred sixty-nine million, nine hundred fifty-one thousand, four hundred eighty-seven".