60808021399 has 2 divisors, whose sum is σ = 60808021400. Its totient is φ = 60808021398.

The previous prime is 60808021357. The next prime is 60808021409. The reversal of 60808021399 is 99312080806.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 60808021399 - 2²¹ = 60805924247 is a prime.

It is a super-2 number, since 2×60808021399² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (60808021499) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30404010699 + 30404010700.

It is an arithmetic number, because the mean of its divisors is an integer number (30404010700).

Almost surely, 2^60808021399 is an apocalyptic number.

60808021399 is a deficient number, since it is larger than the sum of its proper divisors (1).

60808021399 is an equidigital number, since it uses as much as digits as its factorization.

60808021399 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 186624, while the sum is 46.

The spelling of 60808021399 in words is "sixty billion, eight hundred eight million, twenty-one thousand, three hundred ninety-nine".