427653645 has 16 divisors (see below), whose sum is σ = 684934272. Its totient is φ = 227852480.

The previous prime is 427653643. The next prime is 427653671. The reversal of 427653645 is 546356724.

It is not a de Polignac number, because 427653645 - 2¹ = 427653643 is a prime.

It is a super-3 number, since 3×427653645³ (a number of 27 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 427653597 and 427653606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (427653643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1639 + ... + 29291.

It is an arithmetic number, because the mean of its divisors is an integer number (42808392).

Almost surely, 2^427653645 is an apocalyptic number.

It is an amenable number.

427653645 is a deficient number, since it is larger than the sum of its proper divisors (257280627).

427653645 is a wasteful number, since it uses less digits than its factorization.

427653645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28692.

The product of its digits is 604800, while the sum is 42.

The square root of 427653645 is about 20679.7883209669. The cubic root of 427653645 is about 753.4088649348.

The spelling of 427653645 in words is "four hundred twenty-seven million, six hundred fifty-three thousand, six hundred forty-five".