64849158145 has 32 divisors (see below), whose sum is σ = 82021040640. Its totient is φ = 49124275200.

The previous prime is 64849158083. The next prime is 64849158167. The reversal of 64849158145 is 54185194846.

It is a de Polignac number, because none of the positive numbers 2^k-64849158145 is a prime.

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, 23150745 + ... + 23153545.

It is an arithmetic number, because the mean of its divisors is an integer number (2563157520).

Almost surely, 2^64849158145 is an apocalyptic number.

It is an amenable number.

64849158145 is a deficient number, since it is larger than the sum of its proper divisors (17171882495).

64849158145 is a wasteful number, since it uses less digits than its factorization.

64849158145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4785.

The product of its digits is 5529600, while the sum is 55.

The spelling of 64849158145 in words is "sixty-four billion, eight hundred forty-nine million, one hundred fifty-eight thousand, one hundred forty-five".