126097393793 has 4 divisors (see below), whose sum is σ = 144111307200. Its totient is φ = 108083480388.

The previous prime is 126097393787. The next prime is 126097393823. The reversal of 126097393793 is 397393790621.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 397393790621 = 15647 ⋅25397443.

It is a cyclic number.

It is not a de Polignac number, because 126097393793 - 2²⁸ = 125828958337 is a prime.

It is not an unprimeable number, because it can be changed into a prime (126097393783) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9006956693 + ... + 9006956706.

It is an arithmetic number, because the mean of its divisors is an integer number (36027826800).

Almost surely, 2^126097393793 is an apocalyptic number.

It is an amenable number.

126097393793 is a deficient number, since it is larger than the sum of its proper divisors (18013913407).

126097393793 is an equidigital number, since it uses as much as digits as its factorization.

126097393793 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18013913406.

The product of its (nonzero) digits is 11573604, while the sum is 59.

The spelling of 126097393793 in words is "one hundred twenty-six billion, ninety-seven million, three hundred ninety-three thousand, seven hundred ninety-three".