4092139665 has 24 divisors (see below), whose sum is σ = 7130193408. Its totient is φ = 2171043360.

The previous prime is 4092139663. The next prime is 4092139693. The reversal of 4092139665 is 5669312904.

4092139665 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 4092139665 - 2¹ = 4092139663 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 4092139665.

It is not an unprimeable number, because it can be changed into a prime (4092139663) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 229459 + ... + 246648.

It is an arithmetic number, because the mean of its divisors is an integer number (297091392).

Almost surely, 2^4092139665 is an apocalyptic number.

4092139665 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4092139665 is a deficient number, since it is larger than the sum of its proper divisors (3038053743).

4092139665 is a wasteful number, since it uses less digits than its factorization.

4092139665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 476309 (or 476306 counting only the distinct ones).

The product of its (nonzero) digits is 349920, while the sum is 45.

The square root of 4092139665 is about 63969.8340235458. The cubic root of 4092139665 is about 1599.4971942216.

The spelling of 4092139665 in words is "four billion, ninety-two million, one hundred thirty-nine thousand, six hundred sixty-five".