2100072017346 has 16 divisors (see below), whose sum is σ = 4201021498464. Its totient is φ = 699877761824.

The previous prime is 2100072017333. The next prime is 2100072017387. The reversal of 2100072017346 is 6437102700012.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36529875 + ... + 36587318.

It is an arithmetic number, because the mean of its divisors is an integer number (262563843654).

Almost surely, 2^{2100072017346} is an apocalyptic number.

2100072017346 is an abundant number, since it is smaller than the sum of its proper divisors (2100949481118).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2100072017346 is a wasteful number, since it uses less digits than its factorization.

2100072017346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73121985.

The product of its (nonzero) digits is 14112, while the sum is 33.

Adding to 2100072017346 its reverse (6437102700012), we get a palindrome (8537174717358).

The spelling of 2100072017346 in words is "two trillion, one hundred billion, seventy-two million, seventeen thousand, three hundred forty-six".