16452425461 has 4 divisors (see below), whose sum is σ = 17420215212. Its totient is φ = 15484635712.

The previous prime is 16452425459. The next prime is 16452425531.

16452425461 is nontrivially palindromic in base 10.

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

It can be written as a sum of positive squares in 2 ways, for example, as 13131784836 + 3320640625 = 114594^2 + 57625^2 .

It is a cyclic number.

It is not a de Polignac number, because 16452425461 - 2¹ = 16452425459 is a prime.

It is a super-2 number, since 2×16452425461² (a number of 21 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 (16452425441) 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, 483894850 + ... + 483894883.

It is an arithmetic number, because the mean of its divisors is an integer number (4355053803).

Almost surely, 2^16452425461 is an apocalyptic number.

It is an amenable number.

16452425461 is a deficient number, since it is larger than the sum of its proper divisors (967789751).

16452425461 is an equidigital number, since it uses as much as digits as its factorization.

16452425461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 967789750.

The product of its digits is 230400, while the sum is 40.

The spelling of 16452425461 in words is "sixteen billion, four hundred fifty-two million, four hundred twenty-five thousand, four hundred sixty-one".