2004172692667 has 2 divisors, whose sum is σ = 2004172692668. Its totient is φ = 2004172692666.

The previous prime is 2004172692563. The next prime is 2004172692673. The reversal of 2004172692667 is 7662962714002.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2004172692667 - 2²³ = 2004164304059 is a prime.

It is not a weakly prime, because it can be changed into another prime (2004172692167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1002086346333 + 1002086346334.

It is an arithmetic number, because the mean of its divisors is an integer number (1002086346334).

Almost surely, 2^{2004172692667} is an apocalyptic number.

2004172692667 is a deficient number, since it is larger than the sum of its proper divisors (1).

2004172692667 is an equidigital number, since it uses as much as digits as its factorization.

2004172692667 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3048192, while the sum is 52.

The spelling of 2004172692667 in words is "two trillion, four billion, one hundred seventy-two million, six hundred ninety-two thousand, six hundred sixty-seven".