8702730649 has 2 divisors, whose sum is σ = 8702730650. Its totient is φ = 8702730648.

The previous prime is 8702730601. The next prime is 8702730667. The reversal of 8702730649 is 9460372078.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4919619600 + 3783111049 = 70140^2 + 61507^2 .

It is a cyclic number.

It is not a de Polignac number, because 8702730649 - 2¹⁵ = 8702697881 is a prime.

It is a super-2 number, since 2×8702730649² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 8702730599 and 8702730608.

It is not a weakly prime, because it can be changed into another prime (8702730349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4351365324 + 4351365325.

It is an arithmetic number, because the mean of its divisors is an integer number (4351365325).

Almost surely, 2^8702730649 is an apocalyptic number.

It is an amenable number.

8702730649 is a deficient number, since it is larger than the sum of its proper divisors (1).

8702730649 is an equidigital number, since it uses as much as digits as its factorization.

8702730649 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 508032, while the sum is 46.

The square root of 8702730649 is about 93288.4271975897. The cubic root of 8702730649 is about 2056.9252719894.

The spelling of 8702730649 in words is "eight billion, seven hundred two million, seven hundred thirty thousand, six hundred forty-nine".