449769371 has 2 divisors, whose sum is σ = 449769372. Its totient is φ = 449769370.

The previous prime is 449769343. The next prime is 449769377. The reversal of 449769371 is 173967944.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-449769371 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (449769377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 224884685 + 224884686.

It is an arithmetic number, because the mean of its divisors is an integer number (224884686).

Almost surely, 2^449769371 is an apocalyptic number.

449769371 is a deficient number, since it is larger than the sum of its proper divisors (1).

449769371 is an equidigital number, since it uses as much as digits as its factorization.

449769371 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1143072, while the sum is 50.

The square root of 449769371 is about 21207.7667612599. The cubic root of 449769371 is about 766.1784965572.

The spelling of 449769371 in words is "four hundred forty-nine million, seven hundred sixty-nine thousand, three hundred seventy-one".