2031454409 has 2 divisors, whose sum is σ = 2031454410. Its totient is φ = 2031454408.

The previous prime is 2031454393. The next prime is 2031454421. The reversal of 2031454409 is 9044541302.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1396666384 + 634788025 = 37372^2 + 25195^2 .

It is a cyclic number.

It is not a de Polignac number, because 2031454409 - 2⁴ = 2031454393 is a prime.

It is not a weakly prime, because it can be changed into another prime (2031454499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1015727204 + 1015727205.

It is an arithmetic number, because the mean of its divisors is an integer number (1015727205).

Almost surely, 2^2031454409 is an apocalyptic number.

It is an amenable number.

2031454409 is a deficient number, since it is larger than the sum of its proper divisors (1).

2031454409 is an equidigital number, since it uses as much as digits as its factorization.

2031454409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 2031454409 is about 45071.6586004997. The cubic root of 2031454409 is about 1266.4917351760.

The spelling of 2031454409 in words is "two billion, thirty-one million, four hundred fifty-four thousand, four hundred nine".