450812739 has 12 divisors (see below), whose sum is σ = 650878296. Its totient is φ = 277422912.

The previous prime is 450812737. The next prime is 450812759. The reversal of 450812739 is 937218054.

It is not a de Polignac number, because 450812739 - 2¹ = 450812737 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a junction number, because it is equal to n+sod(n) for n = 450812697 and 450812706.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (450812737) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 444082 + ... + 445095.

It is an arithmetic number, because the mean of its divisors is an integer number (54239858).

Almost surely, 2^450812739 is an apocalyptic number.

450812739 is a deficient number, since it is larger than the sum of its proper divisors (200065557).

450812739 is a wasteful number, since it uses less digits than its factorization.

450812739 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 889206 (or 889193 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 39.

The square root of 450812739 is about 21232.3512357911. The cubic root of 450812739 is about 766.7704953478.

The spelling of 450812739 in words is "four hundred fifty million, eight hundred twelve thousand, seven hundred thirty-nine".