450697580638 has 16 divisors (see below), whose sum is σ = 692737468416. Its totient is φ = 219788300160.

The previous prime is 450697580633. The next prime is 450697580651. The reversal of 450697580638 is 836085796054.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (450697580633) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 519006 + ... + 1082017.

It is an arithmetic number, because the mean of its divisors is an integer number (43296091776).

Almost surely, 2^450697580638 is an apocalyptic number.

450697580638 is a deficient number, since it is larger than the sum of its proper divisors (242039887778).

450697580638 is a wasteful number, since it uses less digits than its factorization.

450697580638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1604499.

The product of its (nonzero) digits is 43545600, while the sum is 61.

The spelling of 450697580638 in words is "four hundred fifty billion, six hundred ninety-seven million, five hundred eighty thousand, six hundred thirty-eight".