143663630652401 has 4 divisors (see below), whose sum is σ = 143749811596272. Its totient is φ = 143577449708532.

The previous prime is 143663630652349. The next prime is 143663630652407. The reversal of 143663630652401 is 104256036366341.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 143663630652401 - 2⁴² = 139265584141297 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 143663630652401.

It is not an unprimeable number, because it can be changed into a prime (143663630652407) 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, 43090469435 + ... + 43090472768.

It is an arithmetic number, because the mean of its divisors is an integer number (35937452899068).

Almost surely, 2^{143663630652401} is an apocalyptic number.

It is an amenable number.

143663630652401 is a deficient number, since it is larger than the sum of its proper divisors (86180943871).

143663630652401 is an equidigital number, since it uses as much as digits as its factorization.

143663630652401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86180943870.

The product of its (nonzero) digits is 5598720, while the sum is 50.

The spelling of 143663630652401 in words is "one hundred forty-three trillion, six hundred sixty-three billion, six hundred thirty million, six hundred fifty-two thousand, four hundred one".