431220022049 has 2 divisors, whose sum is σ = 431220022050. Its totient is φ = 431220022048.

The previous prime is 431220022039. The next prime is 431220022081. The reversal of 431220022049 is 940220022134.

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., 335278057024 + 95941965025 = 579032^2 + 309745^2 .

It is a cyclic number.

It is not a de Polignac number, because 431220022049 - 2³² = 426925054753 is a prime.

It is not a weakly prime, because it can be changed into another prime (431220022039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 215610011024 + 215610011025.

It is an arithmetic number, because the mean of its divisors is an integer number (215610011025).

Almost surely, 2^431220022049 is an apocalyptic number.

It is an amenable number.

431220022049 is a deficient number, since it is larger than the sum of its proper divisors (1).

431220022049 is an equidigital number, since it uses as much as digits as its factorization.

431220022049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6912, while the sum is 29.

The spelling of 431220022049 in words is "four hundred thirty-one billion, two hundred twenty million, twenty-two thousand, forty-nine".