39274065481 has 32 divisors (see below), whose sum is σ = 46260101888. Its totient is φ = 32651735040.

The previous prime is 39274065419. The next prime is 39274065491. The reversal of 39274065481 is 18456047293.

It is a happy number.

It is a 13-Lehmer number, since φ(39274065481) divides (39274065481-1)¹³.

It is a cyclic number.

It is not a de Polignac number, because 39274065481 - 2¹⁹ = 39273541193 is a prime.

It is a super-2 number, since 2×39274065481² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (39274065491) 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 31 ways as a sum of consecutive naturals, for example, 8076991 + ... + 8081851.

It is an arithmetic number, because the mean of its divisors is an integer number (1445628184).

It is a 2-persistent number, because it is pandigital, and so is 2⋅39274065481 = 78548130962, but 3⋅39274065481 = 117822196443 is not.

Almost surely, 2^39274065481 is an apocalyptic number.

It is an amenable number.

39274065481 is a deficient number, since it is larger than the sum of its proper divisors (6986036407).

39274065481 is a wasteful number, since it uses less digits than its factorization.

39274065481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5201.

The product of its (nonzero) digits is 1451520, while the sum is 49.

The spelling of 39274065481 in words is "thirty-nine billion, two hundred seventy-four million, sixty-five thousand, four hundred eighty-one".