4155620603867 has 2 divisors, whose sum is σ = 4155620603868. Its totient is φ = 4155620603866.

The previous prime is 4155620603831. The next prime is 4155620603909. The reversal of 4155620603867 is 7683060265514.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4155620603867 - 2²⁰ = 4155619555291 is a prime.

It is not a weakly prime, because it can be changed into another prime (4155620602867) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2077810301933 + 2077810301934.

It is an arithmetic number, because the mean of its divisors is an integer number (2077810301934).

Almost surely, 2^{4155620603867} is an apocalyptic number.

4155620603867 is a deficient number, since it is larger than the sum of its proper divisors (1).

4155620603867 is an equidigital number, since it uses as much as digits as its factorization.

4155620603867 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7257600, while the sum is 53.

The spelling of 4155620603867 in words is "four trillion, one hundred fifty-five billion, six hundred twenty million, six hundred three thousand, eight hundred sixty-seven".