39290281993911 has 32 divisors (see below), whose sum is σ = 56637292096000. Its totient is φ = 24084247135104.

The previous prime is 39290281993817. The next prime is 39290281993957. The reversal of 39290281993911 is 11939918209293.

It is not a de Polignac number, because 39290281993911 - 2¹³ = 39290281985719 is a prime.

It is a super-2 number, since 2×39290281993911² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39290281993961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17410965 + ... + 19537713.

It is an arithmetic number, because the mean of its divisors is an integer number (1769915378000).

Almost surely, 2^{39290281993911} is an apocalyptic number.

39290281993911 is a deficient number, since it is larger than the sum of its proper divisors (17347010102089).

39290281993911 is a wasteful number, since it uses less digits than its factorization.

39290281993911 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2128615.

The product of its (nonzero) digits is 17006112, while the sum is 66.

The spelling of 39290281993911 in words is "thirty-nine trillion, two hundred ninety billion, two hundred eighty-one million, nine hundred ninety-three thousand, nine hundred eleven".