5169212651 has 4 divisors (see below), whose sum is σ = 5253953904. Its totient is φ = 5084471400.

The previous prime is 5169212641. The next prime is 5169212681. The reversal of 5169212651 is 1562129615.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1562129615 = 5 ⋅312425923.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5169212651 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5169212641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42370535 + ... + 42370656.

It is an arithmetic number, because the mean of its divisors is an integer number (1313488476).

Almost surely, 2^5169212651 is an apocalyptic number.

5169212651 is a deficient number, since it is larger than the sum of its proper divisors (84741253).

5169212651 is an equidigital number, since it uses as much as digits as its factorization.

5169212651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84741252.

The product of its digits is 32400, while the sum is 38.

The square root of 5169212651 is about 71897.2367410598. The cubic root of 5169212651 is about 1729.0523116535.

The spelling of 5169212651 in words is "five billion, one hundred sixty-nine million, two hundred twelve thousand, six hundred fifty-one".