126643752837370 has 64 divisors (see below), whose sum is σ = 233029760274432. Its totient is φ = 49532673960000.

The previous prime is 126643752837347. The next prime is 126643752837377. The reversal of 126643752837370 is 73738257346621.

It is a super-3 number, since 3×126643752837370³ (a number of 43 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (64) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (126643752837377) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2885393125 + ... + 2885437015.

It is an arithmetic number, because the mean of its divisors is an integer number (3641090004288).

Almost surely, 2^{126643752837370} is an apocalyptic number.

126643752837370 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

126643752837370 is a deficient number, since it is larger than the sum of its proper divisors (106386007437062).

126643752837370 is a wasteful number, since it uses less digits than its factorization.

126643752837370 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49627.

The product of its (nonzero) digits is 213373440, while the sum is 64.

The spelling of 126643752837370 in words is "one hundred twenty-six trillion, six hundred forty-three billion, seven hundred fifty-two million, eight hundred thirty-seven thousand, three hundred seventy".