4687649399 has 8 divisors (see below), whose sum is σ = 4856951760. Its totient is φ = 4520589696.

The previous prime is 4687649383. The next prime is 4687649423. The reversal of 4687649399 is 9939467864.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 4687649399 - 2⁴ = 4687649383 is a prime.

It is a super-2 number, since 2×4687649399² = 43948113775890122402, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4687649299) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 556409 + ... + 564770.

It is an arithmetic number, because the mean of its divisors is an integer number (607118970).

Almost surely, 2^4687649399 is an apocalyptic number.

4687649399 is a deficient number, since it is larger than the sum of its proper divisors (169302361).

4687649399 is a wasteful number, since it uses less digits than its factorization.

4687649399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1121329.

The product of its digits is 70543872, while the sum is 65.

The square root of 4687649399 is about 68466.4107354840. The cubic root of 4687649399 is about 1673.6001550367.

The spelling of 4687649399 in words is "four billion, six hundred eighty-seven million, six hundred forty-nine thousand, three hundred ninety-nine".