2436421816 has 8 divisors (see below), whose sum is σ = 4568290920. Its totient is φ = 1218210904.

The previous prime is 2436421811. The next prime is 2436421817. The reversal of 2436421816 is 6181246342.

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2436421811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 152276356 + ... + 152276371.

It is an arithmetic number, because the mean of its divisors is an integer number (571036365).

Almost surely, 2^2436421816 is an apocalyptic number.

It is an amenable number.

2436421816 is a deficient number, since it is larger than the sum of its proper divisors (2131869104).

2436421816 is a wasteful number, since it uses less digits than its factorization.

2436421816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 304552733 (or 304552729 counting only the distinct ones).

The product of its digits is 55296, while the sum is 37.

The square root of 2436421816 is about 49360.1237437671. The cubic root of 2436421816 is about 1345.6046932032.

The spelling of 2436421816 in words is "two billion, four hundred thirty-six million, four hundred twenty-one thousand, eight hundred sixteen".