4004669261905 has 16 divisors (see below), whose sum is σ = 5201535289104. Its totient is φ = 2942282568960.

The previous prime is 4004669261903. The next prime is 4004669261911. The reversal of 4004669261905 is 5091629664004.

It can be written as a sum of positive squares in 8 ways, for example, as 186099920449 + 3818569341456 = 431393^2 + 1954116^2 .

It is not a de Polignac number, because 4004669261905 - 2¹ = 4004669261903 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4004669261903) 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, 156358506 + ... + 156384115.

It is an arithmetic number, because the mean of its divisors is an integer number (325095955569).

Almost surely, 2^{4004669261905} is an apocalyptic number.

It is an amenable number.

4004669261905 is a deficient number, since it is larger than the sum of its proper divisors (1196866027199).

4004669261905 is a wasteful number, since it uses less digits than its factorization.

4004669261905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 312742836.

The product of its (nonzero) digits is 2799360, while the sum is 52.

The spelling of 4004669261905 in words is "four trillion, four billion, six hundred sixty-nine million, two hundred sixty-one thousand, nine hundred five".