1063421853 has 12 divisors (see below), whose sum is σ = 1535355360. Its totient is φ = 654413136.

The previous prime is 1063421837. The next prime is 1063421867. The reversal of 1063421853 is 3581243601.

It is not a de Polignac number, because 1063421853 - 2⁴ = 1063421837 is a prime.

It is a super-2 number, since 2×1063421853² = 2261732074875907218, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1063421803) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1048233 + ... + 1049246.

It is an arithmetic number, because the mean of its divisors is an integer number (127946280).

Almost surely, 2^1063421853 is an apocalyptic number.

1063421853 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1063421853 is a deficient number, since it is larger than the sum of its proper divisors (471933507).

1063421853 is a wasteful number, since it uses less digits than its factorization.

1063421853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2097508 (or 2097495 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 1063421853 is about 32610.1495396755. The cubic root of 1063421853 is about 1020.7088027988.

The spelling of 1063421853 in words is "one billion, sixty-three million, four hundred twenty-one thousand, eight hundred fifty-three".