425493449 has 8 divisors (see below), whose sum is σ = 436726752. Its totient is φ = 414300960.

The previous prime is 425493433. The next prime is 425493461. The reversal of 425493449 is 944394524.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 425493449 - 2⁴ = 425493433 is a prime.

It is not an unprimeable number, because it can be changed into a prime (425493499) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11522 + ... + 31364.

It is an arithmetic number, because the mean of its divisors is an integer number (54590844).

Almost surely, 2^425493449 is an apocalyptic number.

It is an amenable number.

425493449 is a deficient number, since it is larger than the sum of its proper divisors (11233303).

425493449 is a wasteful number, since it uses less digits than its factorization.

425493449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20407.

The product of its digits is 622080, while the sum is 44.

The square root of 425493449 is about 20627.4925524165. The cubic root of 425493449 is about 752.1381646175.

The spelling of 425493449 in words is "four hundred twenty-five million, four hundred ninety-three thousand, four hundred forty-nine".