140436446033663 has 4 divisors (see below), whose sum is σ = 151239249574728. Its totient is φ = 129633642492600.

The previous prime is 140436446033641. The next prime is 140436446033677. The reversal of 140436446033663 is 366330644634041.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 140436446033663 - 2⁸ = 140436446033407 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140436446033623) 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, 5401401770513 + ... + 5401401770538.

It is an arithmetic number, because the mean of its divisors is an integer number (37809812393682).

Almost surely, 2^{140436446033663} is an apocalyptic number.

140436446033663 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

140436446033663 is a deficient number, since it is larger than the sum of its proper divisors (10802803541065).

140436446033663 is a wasteful number, since it uses less digits than its factorization.

140436446033663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10802803541064.

The product of its (nonzero) digits is 26873856, while the sum is 53.

The spelling of 140436446033663 in words is "one hundred forty trillion, four hundred thirty-six billion, four hundred forty-six million, thirty-three thousand, six hundred sixty-three".