126996537369 has 48 divisors (see below), whose sum is σ = 186381254400. Its totient is φ = 76865899968.

The previous prime is 126996537319. The next prime is 126996537383. The reversal of 126996537369 is 963735699621.

It is not a de Polignac number, because 126996537369 - 2⁸ = 126996537113 is a prime.

It is a super-2 number, since 2×126996537369² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (126996537319) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 25100562 + ... + 25105620.

It is an arithmetic number, because the mean of its divisors is an integer number (3882942800).

Almost surely, 2^126996537369 is an apocalyptic number.

It is an amenable number.

126996537369 is a deficient number, since it is larger than the sum of its proper divisors (59384717031).

126996537369 is a wasteful number, since it uses less digits than its factorization.

126996537369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5894 (or 5881 counting only the distinct ones).

The product of its digits is 99202320, while the sum is 66.

The spelling of 126996537369 in words is "one hundred twenty-six billion, nine hundred ninety-six million, five hundred thirty-seven thousand, three hundred sixty-nine".