450121515332173 has 32 divisors (see below), whose sum is σ = 477473014259712. Its totient is φ = 423585555624000.

The previous prime is 450121515332141. The next prime is 450121515332183. The reversal of 450121515332173 is 371233515121054.

It is a cyclic number.

It is not a de Polignac number, because 450121515332173 - 2⁵ = 450121515332141 is a prime.

It is a super-2 number, since 2×450121515332173² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (450121515332183) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16701463848 + ... + 16701490798.

It is an arithmetic number, because the mean of its divisors is an integer number (14921031695616).

Almost surely, 2^{450121515332173} is an apocalyptic number.

It is an amenable number.

450121515332173 is a deficient number, since it is larger than the sum of its proper divisors (27351498927539).

450121515332173 is a wasteful number, since it uses less digits than its factorization.

450121515332173 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34825.

The product of its (nonzero) digits is 378000, while the sum is 43.

The spelling of 450121515332173 in words is "four hundred fifty trillion, one hundred twenty-one billion, five hundred fifteen million, three hundred thirty-two thousand, one hundred seventy-three".