153638314043 has 4 divisors (see below), whose sum is σ = 154418204160. Its totient is φ = 152858423928.

The previous prime is 153638314019. The next prime is 153638314139. The reversal of 153638314043 is 340413836351.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-153638314043 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (153638314003) 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, 389944763 + ... + 389945156.

It is an arithmetic number, because the mean of its divisors is an integer number (38604551040).

Almost surely, 2^153638314043 is an apocalyptic number.

153638314043 is a deficient number, since it is larger than the sum of its proper divisors (779890117).

153638314043 is an equidigital number, since it uses as much as digits as its factorization.

153638314043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 779890116.

The product of its (nonzero) digits is 311040, while the sum is 41.

The spelling of 153638314043 in words is "one hundred fifty-three billion, six hundred thirty-eight million, three hundred fourteen thousand, forty-three".