39025428481 has 8 divisors (see below), whose sum is σ = 42443498664. Its totient is φ = 35666803200.

The previous prime is 39025428469. The next prime is 39025428487. The reversal of 39025428481 is 18482452093.

It can be written as a sum of positive squares in 4 ways, for example, as 19914854400 + 19110574081 = 141120^2 + 138241^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-39025428481 is a prime.

It is a super-2 number, since 2×39025428481² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (39025428487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14859856 + ... + 14862481.

It is an arithmetic number, because the mean of its divisors is an integer number (5305437333).

Almost surely, 2^39025428481 is an apocalyptic number.

It is an amenable number.

39025428481 is a deficient number, since it is larger than the sum of its proper divisors (3418070183).

39025428481 is a wasteful number, since it uses less digits than its factorization.

39025428481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29722451.

The product of its (nonzero) digits is 552960, while the sum is 46.

The spelling of 39025428481 in words is "thirty-nine billion, twenty-five million, four hundred twenty-eight thousand, four hundred eighty-one".