425676669 has 12 divisors (see below), whose sum is σ = 623857248. Its totient is φ = 257985640.

The previous prime is 425676611. The next prime is 425676677. The reversal of 425676669 is 966676524.

It is a happy number.

It is not a de Polignac number, because 425676669 - 2¹² = 425672573 is a prime.

It is a super-2 number, since 2×425676669² = 362401253061871122, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425676689) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 585969 + ... + 586694.

It is an arithmetic number, because the mean of its divisors is an integer number (51988104).

Almost surely, 2^425676669 is an apocalyptic number.

It is an amenable number.

425676669 is a deficient number, since it is larger than the sum of its proper divisors (198180579).

425676669 is a wasteful number, since it uses less digits than its factorization.

425676669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1172688 (or 1172677 counting only the distinct ones).

The product of its digits is 3265920, while the sum is 51.

The square root of 425676669 is about 20631.9332346729. The cubic root of 425676669 is about 752.2461075086.

The spelling of 425676669 in words is "four hundred twenty-five million, six hundred seventy-six thousand, six hundred sixty-nine".