450125651026523 has 4 divisors (see below), whose sum is σ = 450174678990288. Its totient is φ = 450076623062760.

The previous prime is 450125651026459. The next prime is 450125651026573. The reversal of 450125651026523 is 325620156521054.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 450125651026523 - 2⁶ = 450125651026459 is a prime.

It is a super-2 number, since 2×450125651026523² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (450125651026573) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24513968111 + ... + 24513986472.

It is an arithmetic number, because the mean of its divisors is an integer number (112543669747572).

Almost surely, 2^{450125651026523} is an apocalyptic number.

450125651026523 is a deficient number, since it is larger than the sum of its proper divisors (49027963765).

450125651026523 is an equidigital number, since it uses as much as digits as its factorization.

450125651026523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49027963764.

The product of its (nonzero) digits is 2160000, while the sum is 47.

The spelling of 450125651026523 in words is "four hundred fifty trillion, one hundred twenty-five billion, six hundred fifty-one million, twenty-six thousand, five hundred twenty-three".