607789649 has 4 divisors (see below), whose sum is σ = 621924336. Its totient is φ = 593654964.

The previous prime is 607789643. The next prime is 607789657. The reversal of 607789649 is 946987706.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 607789649 - 2¹² = 607785553 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 607789594 and 607789603.

It is not an unprimeable number, because it can be changed into a prime (607789643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7067279 + ... + 7067364.

It is an arithmetic number, because the mean of its divisors is an integer number (155481084).

Almost surely, 2^607789649 is an apocalyptic number.

It is an amenable number.

607789649 is a deficient number, since it is larger than the sum of its proper divisors (14134687).

607789649 is a wasteful number, since it uses less digits than its factorization.

607789649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14134686.

The product of its (nonzero) digits is 4572288, while the sum is 56.

The square root of 607789649 is about 24653.3902131127. The cubic root of 607789649 is about 847.0670071469.

The spelling of 607789649 in words is "six hundred seven million, seven hundred eighty-nine thousand, six hundred forty-nine".