2620704673 has 2 divisors, whose sum is σ = 2620704674. Its totient is φ = 2620704672.

The previous prime is 2620704659. The next prime is 2620704677. The reversal of 2620704673 is 3764070262.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1332469009 + 1288235664 = 36503^2 + 35892^2 .

It is a cyclic number.

It is not a de Polignac number, because 2620704673 - 2⁵ = 2620704641 is a prime.

It is not a weakly prime, because it can be changed into another prime (2620704677) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1310352336 + 1310352337.

It is an arithmetic number, because the mean of its divisors is an integer number (1310352337).

Almost surely, 2^2620704673 is an apocalyptic number.

It is an amenable number.

2620704673 is a deficient number, since it is larger than the sum of its proper divisors (1).

2620704673 is an equidigital number, since it uses as much as digits as its factorization.

2620704673 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 84672, while the sum is 37.

The square root of 2620704673 is about 51192.8185686235. The cubic root of 2620704673 is about 1378.7092658988.

The spelling of 2620704673 in words is "two billion, six hundred twenty million, seven hundred four thousand, six hundred seventy-three".