39616149818469 has 16 divisors (see below), whose sum is σ = 60842800775168. Its totient is φ = 22459549501872.

The previous prime is 39616149818447. The next prime is 39616149818477. The reversal of 39616149818469 is 96481894161693.

It is not a de Polignac number, because 39616149818469 - 2¹¹ = 39616149816421 is a prime.

It is a super-2 number, since 2×39616149818469² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 39616149818469.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39616149818429) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7427097037 + ... + 7427102370.

It is an arithmetic number, because the mean of its divisors is an integer number (3802675048448).

Almost surely, 2^{39616149818469} is an apocalyptic number.

It is an amenable number.

39616149818469 is a deficient number, since it is larger than the sum of its proper divisors (21226650956699).

39616149818469 is a wasteful number, since it uses less digits than its factorization.

39616149818469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14854199544.

The product of its digits is 483729408, while the sum is 75.

The spelling of 39616149818469 in words is "thirty-nine trillion, six hundred sixteen billion, one hundred forty-nine million, eight hundred eighteen thousand, four hundred sixty-nine".