453121669 has 24 divisors (see below), whose sum is σ = 619260768. Its totient is φ = 325916640.

The previous prime is 453121663. The next prime is 453121673. The reversal of 453121669 is 966121354.

453121669 = T₁₂₂ + T₁₂₃ + ... + T₁₃₉₅.

It is not a de Polignac number, because 453121669 - 2⁷ = 453121541 is a prime.

It is a super-2 number, since 2×453121669² = 410638493834691122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (453121663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25327 + ... + 39340.

It is an arithmetic number, because the mean of its divisors is an integer number (25802532).

Almost surely, 2^453121669 is an apocalyptic number.

453121669 is a gapful number since it is divisible by the number (49) formed by its first and last digit.

It is an amenable number.

453121669 is a deficient number, since it is larger than the sum of its proper divisors (166139099).

453121669 is a wasteful number, since it uses less digits than its factorization.

453121669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64705 (or 64698 counting only the distinct ones).

The product of its digits is 38880, while the sum is 37.

The square root of 453121669 is about 21286.6547160422. The cubic root of 453121669 is about 768.0773243226.

The spelling of 453121669 in words is "four hundred fifty-three million, one hundred twenty-one thousand, six hundred sixty-nine".