60684879649 has 2 divisors, whose sum is σ = 60684879650. Its totient is φ = 60684879648.

The previous prime is 60684879611. The next prime is 60684879659. The reversal of 60684879649 is 94697848606.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 43004390625 + 17680489024 = 207375^2 + 132968^2 .

It is a cyclic number.

It is not a de Polignac number, because 60684879649 - 2³⁵ = 26325141281 is a prime.

It is a super-2 number, since 2×60684879649² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (60684879659) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30342439824 + 30342439825.

It is an arithmetic number, because the mean of its divisors is an integer number (30342439825).

Almost surely, 2^60684879649 is an apocalyptic number.

It is an amenable number.

60684879649 is a deficient number, since it is larger than the sum of its proper divisors (1).

60684879649 is an equidigital number, since it uses as much as digits as its factorization.

60684879649 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 125411328, while the sum is 67.

The spelling of 60684879649 in words is "sixty billion, six hundred eighty-four million, eight hundred seventy-nine thousand, six hundred forty-nine".