2065121513654 has 16 divisors (see below), whose sum is σ = 3246603614208. Its totient is φ = 983315850792.

The previous prime is 2065121513641. The next prime is 2065121513669. The reversal of 2065121513654 is 4563151215602.

It is a congruent number.

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, 98874902 + ... + 98895785.

It is an arithmetic number, because the mean of its divisors is an integer number (202912725888).

Almost surely, 2^{2065121513654} is an apocalyptic number.

2065121513654 is a deficient number, since it is larger than the sum of its proper divisors (1181482100554).

2065121513654 is a wasteful number, since it uses less digits than its factorization.

2065121513654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197770939.

The product of its (nonzero) digits is 216000, while the sum is 41.

The spelling of 2065121513654 in words is "two trillion, sixty-five billion, one hundred twenty-one million, five hundred thirteen thousand, six hundred fifty-four".