6551064995 has 4 divisors (see below), whose sum is σ = 7861278000. Its totient is φ = 5240851992.

The previous prime is 6551064973. The next prime is 6551065009. The reversal of 6551064995 is 5994601556.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 6551064995 - 2¹⁶ = 6550999459 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 655106495 + ... + 655106504.

It is an arithmetic number, because the mean of its divisors is an integer number (1965319500).

Almost surely, 2^6551064995 is an apocalyptic number.

6551064995 is a deficient number, since it is larger than the sum of its proper divisors (1310213005).

6551064995 is a wasteful number, since it uses less digits than its factorization.

6551064995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1310213004.

The product of its (nonzero) digits is 1458000, while the sum is 50.

The square root of 6551064995 is about 80938.6495748477. The cubic root of 6551064995 is about 1871.1300322894.

The spelling of 6551064995 in words is "six billion, five hundred fifty-one million, sixty-four thousand, nine hundred ninety-five".