5169170947646 has 4 divisors (see below), whose sum is σ = 7753756421472. Its totient is φ = 2584585473822.

The previous prime is 5169170947571. The next prime is 5169170947651. The reversal of 5169170947646 is 6467490719615.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1292292736910 + ... + 1292292736913.

It is an arithmetic number, because the mean of its divisors is an integer number (1938439105368).

Almost surely, 2^{5169170947646} is an apocalyptic number.

5169170947646 is a deficient number, since it is larger than the sum of its proper divisors (2584585473826).

5169170947646 is a wasteful number, since it uses less digits than its factorization.

5169170947646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2584585473825.

The product of its (nonzero) digits is 68584320, while the sum is 65.

The spelling of 5169170947646 in words is "five trillion, one hundred sixty-nine billion, one hundred seventy million, nine hundred forty-seven thousand, six hundred forty-six".