3649889463 has 8 divisors (see below), whose sum is σ = 5308930176. Its totient is φ = 2212054200.

The previous prime is 3649889459. The next prime is 3649889483.

3649889463 is nontrivially palindromic in base 10.

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

It is not a de Polignac number, because 3649889463 - 2² = 3649889459 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3649889397 and 3649889406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3649889423) 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, 55301323 + ... + 55301388.

It is an arithmetic number, because the mean of its divisors is an integer number (663616272).

Almost surely, 2^3649889463 is an apocalyptic number.

3649889463 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

3649889463 is a deficient number, since it is larger than the sum of its proper divisors (1659040713).

3649889463 is a wasteful number, since it uses less digits than its factorization.

3649889463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110602725.

The product of its digits is 26873856, while the sum is 60.

The square root of 3649889463 is about 60414.3150503256. The cubic root of 3649889463 is about 1539.6661815102. Note that the first 3 decimals are identical.

The spelling of 3649889463 in words is "three billion, six hundred forty-nine million, eight hundred eighty-nine thousand, four hundred sixty-three".