2773631738 has 4 divisors (see below), whose sum is σ = 4160447610. Its totient is φ = 1386815868.

The previous prime is 2773631737. The next prime is 2773631807. The reversal of 2773631738 is 8371363772.

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

It can be written as a sum of positive squares in only one way, i.e., 2592540889 + 181090849 = 50917^2 + 13457^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2773631692 and 2773631701.

It is not an unprimeable number, because it can be changed into a prime (2773631737) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 693407933 + ... + 693407936.

Almost surely, 2^2773631738 is an apocalyptic number.

2773631738 is a deficient number, since it is larger than the sum of its proper divisors (1386815872).

2773631738 is a wasteful number, since it uses less digits than its factorization.

2773631738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1386815871.

The product of its digits is 889056, while the sum is 47.

The square root of 2773631738 is about 52665.2801948304. The cubic root of 2773631738 is about 1405.0213795120.

The spelling of 2773631738 in words is "two billion, seven hundred seventy-three million, six hundred thirty-one thousand, seven hundred thirty-eight".