3640152511843 has 4 divisors (see below), whose sum is σ = 3640156354800. Its totient is φ = 3640148668888.

The previous prime is 3640152511783. The next prime is 3640152511883. The reversal of 3640152511843 is 3481152510463.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3640152511843 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3640152511843.

It is not an unprimeable number, because it can be changed into a prime (3640152511883) 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, 618933 + ... + 2768281.

It is an arithmetic number, because the mean of its divisors is an integer number (910039088700).

Almost surely, 2^{3640152511843} is an apocalyptic number.

3640152511843 is a deficient number, since it is larger than the sum of its proper divisors (3842957).

3640152511843 is a wasteful number, since it uses less digits than its factorization.

3640152511843 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3842956.

The product of its (nonzero) digits is 345600, while the sum is 43.

The spelling of 3640152511843 in words is "three trillion, six hundred forty billion, one hundred fifty-two million, five hundred eleven thousand, eight hundred forty-three".