2126371701770 has 16 divisors (see below), whose sum is σ = 3959450755560. Its totient is φ = 821219415744.

The previous prime is 2126371701743. The next prime is 2126371701781. The reversal of 2126371701770 is 771071736212.

It can be written as a sum of positive squares in 4 ways, for example, as 1657808178481 + 468563523289 = 1287559^2 + 684517^2 .

It is a super-2 number, since 2×2126371701770² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3666157817 + ... + 3666158396.

Almost surely, 2^{2126371701770} is an apocalyptic number.

2126371701770 is a deficient number, since it is larger than the sum of its proper divisors (1833079053790).

2126371701770 is a wasteful number, since it uses less digits than its factorization.

2126371701770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7332316249.

The product of its (nonzero) digits is 172872, while the sum is 44.

The spelling of 2126371701770 in words is "two trillion, one hundred twenty-six billion, three hundred seventy-one million, seven hundred one thousand, seven hundred seventy".