4231701997 has 2 divisors, whose sum is σ = 4231701998. Its totient is φ = 4231701996.

The previous prime is 4231701973. The next prime is 4231702043. The reversal of 4231701997 is 7991071324.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3342111721 + 889590276 = 57811^2 + 29826^2 .

It is a cyclic number.

It is not a de Polignac number, because 4231701997 - 2²³ = 4223313389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4231701697) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2115850998 + 2115850999.

It is an arithmetic number, because the mean of its divisors is an integer number (2115850999).

Almost surely, 2^4231701997 is an apocalyptic number.

It is an amenable number.

4231701997 is a deficient number, since it is larger than the sum of its proper divisors (1).

4231701997 is an equidigital number, since it uses as much as digits as its factorization.

4231701997 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 95256, while the sum is 43.

The square root of 4231701997 is about 65051.5333946864. The cubic root of 4231701997 is about 1617.4779122771.

The spelling of 4231701997 in words is "four billion, two hundred thirty-one million, seven hundred one thousand, nine hundred ninety-seven".