3641991463 has 6 divisors (see below), whose sum is σ = 4003180832. Its totient is φ = 3310901220.

The previous prime is 3641991443. The next prime is 3641991467.

3641991463 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 3641991463 - 2²⁵ = 3608437031 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3641991467) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 15049431 + ... + 15049672.

Almost surely, 2^3641991463 is an apocalyptic number.

3641991463 is a deficient number, since it is larger than the sum of its proper divisors (361189369).

3641991463 is a wasteful number, since it uses less digits than its factorization.

3641991463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30099125 (or 30099114 counting only the distinct ones).

The product of its digits is 419904, while the sum is 46.

The square root of 3641991463 is about 60348.9143481471. The cubic root of 3641991463 is about 1538.5548176911.

The spelling of 3641991463 in words is "three billion, six hundred forty-one million, nine hundred ninety-one thousand, four hundred sixty-three".