2105621367004 has 12 divisors (see below), whose sum is σ = 3901592533104. Its totient is φ = 990880643264.

The previous prime is 2105621366983. The next prime is 2105621367037. The reversal of 2105621367004 is 4007631265012.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15482509984 + ... + 15482510119.

It is an arithmetic number, because the mean of its divisors is an integer number (325132711092).

Almost surely, 2^{2105621367004} is an apocalyptic number.

It is an amenable number.

2105621367004 is a deficient number, since it is larger than the sum of its proper divisors (1795971166100).

2105621367004 is a wasteful number, since it uses less digits than its factorization.

2105621367004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30965020124 (or 30965020122 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 37.

The spelling of 2105621367004 in words is "two trillion, one hundred five billion, six hundred twenty-one million, three hundred sixty-seven thousand, four".