207649485 has 12 divisors (see below), whose sum is σ = 359925852. Its totient is φ = 110746368.

The previous prime is 207649471. The next prime is 207649517. The reversal of 207649485 is 584946702.

It is a happy number.

207649485 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 164326761 + 43322724 = 12819^2 + 6582^2 .

It is not a de Polignac number, because 207649485 - 2¹¹ = 207647437 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 4614433 = 207649485 / (2 + 0 + 7 + 6 + 4 + 9 + 4 + 8 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 207649485.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2307172 + ... + 2307261.

It is an arithmetic number, because the mean of its divisors is an integer number (29993821).

Almost surely, 2^207649485 is an apocalyptic number.

It is an amenable number.

207649485 is a deficient number, since it is larger than the sum of its proper divisors (152276367).

207649485 is a wasteful number, since it uses less digits than its factorization.

207649485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4614444 (or 4614441 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 45.

The square root of 207649485 is about 14410.0480568248. The cubic root of 207649485 is about 592.1662062620.

The spelling of 207649485 in words is "two hundred seven million, six hundred forty-nine thousand, four hundred eighty-five".