5156772746 has 4 divisors (see below), whose sum is σ = 7735159122. Its totient is φ = 2578386372.

The previous prime is 5156772727. The next prime is 5156772757. The reversal of 5156772746 is 6472776515.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6472776515 = 5 ⋅1294555303.

It can be written as a sum of positive squares in only one way, i.e., 4982242225 + 174530521 = 70585^2 + 13211^2 .

It is a junction number, because it is equal to n+sod(n) for n = 5156772694 and 5156772703.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1289193185 + ... + 1289193188.

Almost surely, 2^5156772746 is an apocalyptic number.

5156772746 is a deficient number, since it is larger than the sum of its proper divisors (2578386376).

5156772746 is a wasteful number, since it uses less digits than its factorization.

5156772746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2578386375.

The product of its digits is 2469600, while the sum is 50.

The square root of 5156772746 is about 71810.6729254085. The cubic root of 5156772746 is about 1727.6641876892.

The spelling of 5156772746 in words is "five billion, one hundred fifty-six million, seven hundred seventy-two thousand, seven hundred forty-six".