3579738649 has 2 divisors, whose sum is σ = 3579738650. Its totient is φ = 3579738648.

The previous prime is 3579738593. The next prime is 3579738661. The reversal of 3579738649 is 9468379753.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3128388624 + 451350025 = 55932^2 + 21245^2 .

It is a cyclic number.

It is not a de Polignac number, because 3579738649 - 2¹⁵ = 3579705881 is a prime.

It is not a weakly prime, because it can be changed into another prime (3579738689) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1789869324 + 1789869325.

It is an arithmetic number, because the mean of its divisors is an integer number (1789869325).

Almost surely, 2^3579738649 is an apocalyptic number.

It is an amenable number.

3579738649 is a deficient number, since it is larger than the sum of its proper divisors (1).

3579738649 is an equidigital number, since it uses as much as digits as its factorization.

3579738649 is an evil number, because the sum of its binary digits is even.

The product of its digits is 34292160, while the sum is 61.

The square root of 3579738649 is about 59830.9171666288. The cubic root of 3579738649 is about 1529.7381825197.

The spelling of 3579738649 in words is "three billion, five hundred seventy-nine million, seven hundred thirty-eight thousand, six hundred forty-nine".