4398011971 has 2 divisors, whose sum is σ = 4398011972. Its totient is φ = 4398011970.

The previous prime is 4398011929. The next prime is 4398011983. The reversal of 4398011971 is 1791108934.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4398011971 - 2²¹ = 4395914819 is a prime.

It is not a weakly prime, because it can be changed into another prime (4398011671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2199005985 + 2199005986.

It is an arithmetic number, because the mean of its divisors is an integer number (2199005986).

Almost surely, 2^4398011971 is an apocalyptic number.

4398011971 is a deficient number, since it is larger than the sum of its proper divisors (1).

4398011971 is an equidigital number, since it uses as much as digits as its factorization.

4398011971 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54432, while the sum is 43.

The square root of 4398011971 is about 66317.5087816181. The cubic root of 4398011971 is about 1638.3957109250.

The spelling of 4398011971 in words is "four billion, three hundred ninety-eight million, eleven thousand, nine hundred seventy-one".