450915749 has 2 divisors, whose sum is σ = 450915750. Its totient is φ = 450915748.

The previous prime is 450915737. The next prime is 450915757. The reversal of 450915749 is 947519054.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 375972100 + 74943649 = 19390^2 + 8657^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-450915749 is a prime.

It is equal to p_23898905 and since 450915749 and 23898905 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (450915719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 225457874 + 225457875.

It is an arithmetic number, because the mean of its divisors is an integer number (225457875).

Almost surely, 2^450915749 is an apocalyptic number.

It is an amenable number.

450915749 is a deficient number, since it is larger than the sum of its proper divisors (1).

450915749 is an equidigital number, since it uses as much as digits as its factorization.

450915749 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 226800, while the sum is 44.

The square root of 450915749 is about 21234.7768766239. The cubic root of 450915749 is about 766.8288928498.

The spelling of 450915749 in words is "four hundred fifty million, nine hundred fifteen thousand, seven hundred forty-nine".