126930897799 has 2 divisors, whose sum is σ = 126930897800. Its totient is φ = 126930897798.

The previous prime is 126930897767. The next prime is 126930897823. The reversal of 126930897799 is 997798039621.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (997798039621) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 126930897799 - 2⁵ = 126930897767 is a prime.

It is a super-2 number, since 2×126930897799² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (126930897719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63465448899 + 63465448900.

It is an arithmetic number, because the mean of its divisors is an integer number (63465448900).

Almost surely, 2^126930897799 is an apocalyptic number.

126930897799 is a deficient number, since it is larger than the sum of its proper divisors (1).

126930897799 is an equidigital number, since it uses as much as digits as its factorization.

126930897799 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 92588832, while the sum is 70.

The spelling of 126930897799 in words is "one hundred twenty-six billion, nine hundred thirty million, eight hundred ninety-seven thousand, seven hundred ninety-nine".