1243463016 has 16 divisors (see below), whose sum is σ = 3108657600. Its totient is φ = 414487664.

The previous prime is 1243463009. The next prime is 1243463029. The reversal of 1243463016 is 6103643421.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25905456 + ... + 25905503.

It is an arithmetic number, because the mean of its divisors is an integer number (194291100).

Almost surely, 2^1243463016 is an apocalyptic number.

It is an amenable number.

1243463016 is an abundant number, since it is smaller than the sum of its proper divisors (1865194584).

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

1243463016 is a wasteful number, since it uses less digits than its factorization.

1243463016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51810968 (or 51810964 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 30.

The square root of 1243463016 is about 35262.7709631560. The cubic root of 1243463016 is about 1075.3362614186.

The spelling of 1243463016 in words is "one billion, two hundred forty-three million, four hundred sixty-three thousand, sixteen".