5128655492 has 24 divisors (see below), whose sum is σ = 9027397344. Its totient is φ = 2549431872.

The previous prime is 5128655479. The next prime is 5128655509. The reversal of 5128655492 is 2945568215.

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, 711008 + ... + 718184.

It is an arithmetic number, because the mean of its divisors is an integer number (376141556).

Almost surely, 2^5128655492 is an apocalyptic number.

It is an amenable number.

5128655492 is a deficient number, since it is larger than the sum of its proper divisors (3898741852).

5128655492 is a wasteful number, since it uses less digits than its factorization.

5128655492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8195 (or 8193 counting only the distinct ones).

The product of its digits is 864000, while the sum is 47.

The square root of 5128655492 is about 71614.6318289775. The cubic root of 5128655492 is about 1724.5184392103.

The spelling of 5128655492 in words is "five billion, one hundred twenty-eight million, six hundred fifty-five thousand, four hundred ninety-two".