5128651345 has 8 divisors (see below), whose sum is σ = 6246238464. Its totient is φ = 4041683184.

The previous prime is 5128651331. The next prime is 5128651379. The reversal of 5128651345 is 5431568215.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5128651345 - 2¹⁷ = 5128520273 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5128651298 and 5128651307.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7654369 + ... + 7655038.

It is an arithmetic number, because the mean of its divisors is an integer number (780779808).

Almost surely, 2^5128651345 is an apocalyptic number.

It is an amenable number.

5128651345 is a deficient number, since it is larger than the sum of its proper divisors (1117587119).

5128651345 is a wasteful number, since it uses less digits than its factorization.

5128651345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15309479.

The product of its digits is 144000, while the sum is 40.

The square root of 5128651345 is about 71614.6028753913. The cubic root of 5128651345 is about 1724.5179743984.

The spelling of 5128651345 in words is "five billion, one hundred twenty-eight million, six hundred fifty-one thousand, three hundred forty-five".