4537665765644 has 18 divisors (see below), whose sum is σ = 8728443860052. Its totient is φ = 2062575347800.

The previous prime is 4537665765643. The next prime is 4537665765649. The reversal of 4537665765644 is 4465675667354.

It is not an unprimeable number, because it can be changed into a prime (4537665765643) 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, 4687670762 + ... + 4687671729.

Almost surely, 2^{4537665765644} is an apocalyptic number.

4537665765644 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

4537665765644 is a deficient number, since it is larger than the sum of its proper divisors (4190778094408).

4537665765644 is a wasteful number, since it uses less digits than its factorization.

4537665765644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9375342517 (or 9375342504 counting only the distinct ones).

The product of its digits is 1524096000, while the sum is 68.

The spelling of 4537665765644 in words is "four trillion, five hundred thirty-seven billion, six hundred sixty-five million, seven hundred sixty-five thousand, six hundred forty-four".