438143814701 has 4 divisors (see below), whose sum is σ = 438199234752. Its totient is φ = 438088394652.

The previous prime is 438143814697. The next prime is 438143814743. The reversal of 438143814701 is 107418341834.

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 438143814701 - 2² = 438143814697 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (438143814791) 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, 27698165 + ... + 27713978.

It is an arithmetic number, because the mean of its divisors is an integer number (109549808688).

Almost surely, 2^438143814701 is an apocalyptic number.

It is an amenable number.

438143814701 is a deficient number, since it is larger than the sum of its proper divisors (55420051).

438143814701 is an equidigital number, since it uses as much as digits as its factorization.

438143814701 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55420050.

The product of its (nonzero) digits is 258048, while the sum is 44.

The spelling of 438143814701 in words is "four hundred thirty-eight billion, one hundred forty-three million, eight hundred fourteen thousand, seven hundred one".