5169231901 has 2 divisors, whose sum is σ = 5169231902. Its totient is φ = 5169231900.

The previous prime is 5169231889. The next prime is 5169231931. The reversal of 5169231901 is 1091329615.

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., 2798515801 + 2370716100 = 52901^2 + 48690^2 .

It is a cyclic number.

It is not a de Polignac number, because 5169231901 - 2¹⁷ = 5169100829 is a prime.

It is a super-3 number, since 3×5169231901³ (a number of 30 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5169231931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2584615950 + 2584615951.

It is an arithmetic number, because the mean of its divisors is an integer number (2584615951).

Almost surely, 2^5169231901 is an apocalyptic number.

It is an amenable number.

5169231901 is a deficient number, since it is larger than the sum of its proper divisors (1).

5169231901 is an equidigital number, since it uses as much as digits as its factorization.

5169231901 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14580, while the sum is 37.

The square root of 5169231901 is about 71897.3706125613. The cubic root of 5169231901 is about 1729.0544579647.

The spelling of 5169231901 in words is "five billion, one hundred sixty-nine million, two hundred thirty-one thousand, nine hundred one".