2790349748356 has 9 divisors (see below), whose sum is σ = 4883117906149. Its totient is φ = 1395173203744.

The previous prime is 2790349748353. The next prime is 2790349748363. The reversal of 2790349748356 is 6538479430972.

The square root of 2790349748356 is 1670434.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 746547840900 + 2043801907456 = 864030^2 + 1429616^2 .

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2790349748291 and 2790349748300.

It is not an unprimeable number, because it can be changed into a prime (2790349748353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 2923260 + ... + 3758476.

Almost surely, 2^{2790349748356} is an apocalyptic number.

2790349748356 is the 1670434-th square number.

It is an amenable number.

2790349748356 is a deficient number, since it is larger than the sum of its proper divisors (2092768157793).

2790349748356 is an frugal number, since it uses more digits than its factorization.

2790349748356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1670438 (or 835219 counting only the distinct ones).

The product of its (nonzero) digits is 274337280, while the sum is 67.

The spelling of 2790349748356 in words is "two trillion, seven hundred ninety billion, three hundred forty-nine million, seven hundred forty-eight thousand, three hundred fifty-six".