6437659045 has 32 divisors (see below), whose sum is σ = 8186987520. Its totient is φ = 4853571840.

The previous prime is 6437659027. The next prime is 6437659061. The reversal of 6437659045 is 5409567346.

It is a happy number.

It is not a de Polignac number, because 6437659045 - 2⁵ = 6437659013 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6437659045.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 770440 + ... + 778750.

It is an arithmetic number, because the mean of its divisors is an integer number (255843360).

Almost surely, 2^6437659045 is an apocalyptic number.

It is an amenable number.

6437659045 is a deficient number, since it is larger than the sum of its proper divisors (1749328475).

6437659045 is a wasteful number, since it uses less digits than its factorization.

6437659045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8485.

The product of its (nonzero) digits is 2721600, while the sum is 49.

The square root of 6437659045 is about 80235.0238050691. The cubic root of 6437659045 is about 1860.2700348878.

The spelling of 6437659045 in words is "six billion, four hundred thirty-seven million, six hundred fifty-nine thousand, forty-five".