66090753419 has 2 divisors, whose sum is σ = 66090753420. Its totient is φ = 66090753418.

The previous prime is 66090753367. The next prime is 66090753427. The reversal of 66090753419 is 91435709066.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 66090753419 - 2¹² = 66090749323 is a prime.

It is a super-2 number, since 2×66090753419² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (66090753439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33045376709 + 33045376710.

It is an arithmetic number, because the mean of its divisors is an integer number (33045376710).

Almost surely, 2^66090753419 is an apocalyptic number.

66090753419 is a deficient number, since it is larger than the sum of its proper divisors (1).

66090753419 is an equidigital number, since it uses as much as digits as its factorization.

66090753419 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1224720, while the sum is 50.

The spelling of 66090753419 in words is "sixty-six billion, ninety million, seven hundred fifty-three thousand, four hundred nineteen".