38441452891 has 16 divisors (see below), whose sum is σ = 41660697600. Its totient is φ = 35377722688.

The previous prime is 38441452883. The next prime is 38441452901. The reversal of 38441452891 is 19825414483.

It is not a de Polignac number, because 38441452891 - 2³ = 38441452883 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38441452871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 237586 + ... + 365143.

It is an arithmetic number, because the mean of its divisors is an integer number (2603793600).

Almost surely, 2^38441452891 is an apocalyptic number.

38441452891 is a deficient number, since it is larger than the sum of its proper divisors (3219244709).

38441452891 is a wasteful number, since it uses less digits than its factorization.

38441452891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 602858.

The product of its digits is 1105920, while the sum is 49.

The spelling of 38441452891 in words is "thirty-eight billion, four hundred forty-one million, four hundred fifty-two thousand, eight hundred ninety-one".