4006132155479 has 2 divisors, whose sum is σ = 4006132155480. Its totient is φ = 4006132155478.

The previous prime is 4006132155391. The next prime is 4006132155521. The reversal of 4006132155479 is 9745512316004.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4006132155479 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4006132185479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2003066077739 + 2003066077740.

It is an arithmetic number, because the mean of its divisors is an integer number (2003066077740).

Almost surely, 2^{4006132155479} is an apocalyptic number.

4006132155479 is a deficient number, since it is larger than the sum of its proper divisors (1).

4006132155479 is an equidigital number, since it uses as much as digits as its factorization.

4006132155479 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 907200, while the sum is 47.

The spelling of 4006132155479 in words is "four trillion, six billion, one hundred thirty-two million, one hundred fifty-five thousand, four hundred seventy-nine".