5145776651 has 4 divisors (see below), whose sum is σ = 5146033704. Its totient is φ = 5145519600.

The previous prime is 5145776639. The next prime is 5145776747. The reversal of 5145776651 is 1566775415.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5145776651 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5145776596 and 5145776605.

It is not an unprimeable number, because it can be changed into a prime (5145776551) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 95705 + ... + 139466.

It is an arithmetic number, because the mean of its divisors is an integer number (1286508426).

Almost surely, 2^5145776651 is an apocalyptic number.

5145776651 is a deficient number, since it is larger than the sum of its proper divisors (257053).

5145776651 is a wasteful number, since it uses less digits than its factorization.

5145776651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257052.

The product of its digits is 882000, while the sum is 47.

The square root of 5145776651 is about 71734.0689700508. The cubic root of 5145776651 is about 1726.4353132424.

The spelling of 5145776651 in words is "five billion, one hundred forty-five million, seven hundred seventy-six thousand, six hundred fifty-one".