2628763546 has 4 divisors (see below), whose sum is σ = 3943145322. Its totient is φ = 1314381772.

The previous prime is 2628763537. The next prime is 2628763547. The reversal of 2628763546 is 6453678262.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6453678262 = 2 ⋅3226839131.

It can be written as a sum of positive squares in only one way, i.e., 2381928025 + 246835521 = 48805^2 + 15711^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2628763546.

It is not an unprimeable number, because it can be changed into a prime (2628763547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 657190885 + ... + 657190888.

Almost surely, 2^2628763546 is an apocalyptic number.

2628763546 is a deficient number, since it is larger than the sum of its proper divisors (1314381776).

2628763546 is a wasteful number, since it uses less digits than its factorization.

2628763546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1314381775.

The product of its digits is 2903040, while the sum is 49.

The square root of 2628763546 is about 51271.4691227002. The cubic root of 2628763546 is about 1380.1210329328.

The spelling of 2628763546 in words is "two billion, six hundred twenty-eight million, seven hundred sixty-three thousand, five hundred forty-six".