4041379001665 has 4 divisors (see below), whose sum is σ = 4849654802004. Its totient is φ = 3233103201328.

The previous prime is 4041379001657. The next prime is 4041379001689. The reversal of 4041379001665 is 5661009731404.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2172227927104 + 1869151074561 = 1473848^2 + 1367169^2 .

It is a cyclic number.

It is not a de Polignac number, because 4041379001665 - 2³ = 4041379001657 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 404137900162 + ... + 404137900171.

It is an arithmetic number, because the mean of its divisors is an integer number (1212413700501).

Almost surely, 2^{4041379001665} is an apocalyptic number.

It is an amenable number.

4041379001665 is a deficient number, since it is larger than the sum of its proper divisors (808275800339).

4041379001665 is an equidigital number, since it uses as much as digits as its factorization.

4041379001665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 808275800338.

The product of its (nonzero) digits is 544320, while the sum is 46.

The spelling of 4041379001665 in words is "four trillion, forty-one billion, three hundred seventy-nine million, one thousand, six hundred sixty-five".