7763274949 has 4 divisors (see below), whose sum is σ = 7777213164. Its totient is φ = 7749336736.

The previous prime is 7763274947. The next prime is 7763274977. The reversal of 7763274949 is 9494723677.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9494723677 = 3413 ⋅2781929.

It can be written as a sum of positive squares in 2 ways, for example, as 1701562500 + 6061712449 = 41250^2 + 77857^2 .

It is a cyclic number.

It is not a de Polignac number, because 7763274949 - 2¹ = 7763274947 is a prime.

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7763274893 and 7763274902.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7763274947) 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, 6968272 + ... + 6969385.

It is an arithmetic number, because the mean of its divisors is an integer number (1944303291).

Almost surely, 2^7763274949 is an apocalyptic number.

It is an amenable number.

7763274949 is a deficient number, since it is larger than the sum of its proper divisors (13938215).

7763274949 is a wasteful number, since it uses less digits than its factorization.

7763274949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13938214.

The product of its digits is 16003008, while the sum is 58.

The square root of 7763274949 is about 88109.4486930885. The cubic root of 7763274949 is about 1980.0750701905.

The spelling of 7763274949 in words is "seven billion, seven hundred sixty-three million, two hundred seventy-four thousand, nine hundred forty-nine".