4011213979 has 2 divisors, whose sum is σ = 4011213980. Its totient is φ = 4011213978.

The previous prime is 4011213977. The next prime is 4011213989. The reversal of 4011213979 is 9793121104.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4011213979 - 2¹ = 4011213977 is a prime.

Together with 4011213977, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (4011213977) 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, 2005606989 + 2005606990.

It is an arithmetic number, because the mean of its divisors is an integer number (2005606990).

Almost surely, 2^4011213979 is an apocalyptic number.

4011213979 is a deficient number, since it is larger than the sum of its proper divisors (1).

4011213979 is an equidigital number, since it uses as much as digits as its factorization.

4011213979 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13608, while the sum is 37.

The square root of 4011213979 is about 63334.1454430389. The cubic root of 4011213979 is about 1588.8830913717.

The spelling of 4011213979 in words is "four billion, eleven million, two hundred thirteen thousand, nine hundred seventy-nine".