43374387401 has 8 divisors (see below), whose sum is σ = 46399285800. Its totient is φ = 40402096128.

The previous prime is 43374387389. The next prime is 43374387409. The reversal of 43374387401 is 10478347334.

It can be written as a sum of positive squares in 4 ways, for example, as 21321840400 + 22052547001 = 146020^2 + 148501^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 43374387401 - 2¹⁸ = 43374125257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43374387409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13150076 + ... + 13153373.

It is an arithmetic number, because the mean of its divisors is an integer number (5799910725).

Almost surely, 2^43374387401 is an apocalyptic number.

It is an amenable number.

43374387401 is a deficient number, since it is larger than the sum of its proper divisors (3024898399).

43374387401 is a wasteful number, since it uses less digits than its factorization.

43374387401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26303563.

The product of its (nonzero) digits is 677376, while the sum is 44.

The spelling of 43374387401 in words is "forty-three billion, three hundred seventy-four million, three hundred eighty-seven thousand, four hundred one".