2100740667356 has 24 divisors (see below), whose sum is σ = 3736879626480. Its totient is φ = 1033063689600.

The previous prime is 2100740667299. The next prime is 2100740667359. The reversal of 2100740667356 is 6537660470012.

It is a super-2 number, since 2×2100740667356² (a number of 25 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 2100740667356.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2100740667359) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2572280 + ... + 3289088.

It is an arithmetic number, because the mean of its divisors is an integer number (155703317770).

Almost surely, 2^{2100740667356} is an apocalyptic number.

It is an amenable number.

2100740667356 is a deficient number, since it is larger than the sum of its proper divisors (1636138959124).

2100740667356 is a wasteful number, since it uses less digits than its factorization.

2100740667356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 728885 (or 728883 counting only the distinct ones).

The product of its (nonzero) digits is 1270080, while the sum is 47.

The spelling of 2100740667356 in words is "two trillion, one hundred billion, seven hundred forty million, six hundred sixty-seven thousand, three hundred fifty-six".