1063641404 has 12 divisors (see below), whose sum is σ = 2127282864. Its totient is φ = 455846304.

The previous prime is 1063641389. The next prime is 1063641407. The reversal of 1063641404 is 4041463601.

1063641404 is an admirable number.

It is a super-2 number, since 2×1063641404² = 2262666072606182432, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1063641407) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18993569 + ... + 18993624.

It is an arithmetic number, because the mean of its divisors is an integer number (177273572).

Almost surely, 2^1063641404 is an apocalyptic number.

1063641404 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1063641404 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1063641404 is a wasteful number, since it uses less digits than its factorization.

1063641404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37987204 (or 37987202 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 1063641404 is about 32613.5156645217. The cubic root of 1063641404 is about 1020.7790421609.

The spelling of 1063641404 in words is "one billion, sixty-three million, six hundred forty-one thousand, four hundred four".