609969451 has 16 divisors (see below), whose sum is σ = 753326784. Its totient is φ = 480945024.

The previous prime is 609969403. The next prime is 609969461. The reversal of 609969451 is 154969906.

609969451 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 609969451 - 2¹¹ = 609967403 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 609969395 and 609969404.

It is not an unprimeable number, because it can be changed into a prime (609969461) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15225 + ... + 38101.

It is an arithmetic number, because the mean of its divisors is an integer number (47082924).

Almost surely, 2^609969451 is an apocalyptic number.

609969451 is a deficient number, since it is larger than the sum of its proper divisors (143357333).

609969451 is a wasteful number, since it uses less digits than its factorization.

609969451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23190.

The product of its (nonzero) digits is 524880, while the sum is 49.

The square root of 609969451 is about 24697.5596162860. The cubic root of 609969451 is about 848.0784510272.

The spelling of 609969451 in words is "six hundred nine million, nine hundred sixty-nine thousand, four hundred fifty-one".