2154741394534 has 16 divisors (see below), whose sum is σ = 3376112140800. Its totient is φ = 1029467165320.

The previous prime is 2154741394529. The next prime is 2154741394541. The reversal of 2154741394534 is 4354931474512.

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, 24075934 + ... + 24165265.

It is an arithmetic number, because the mean of its divisors is an integer number (211007008800).

Almost surely, 2^{2154741394534} is an apocalyptic number.

2154741394534 is a deficient number, since it is larger than the sum of its proper divisors (1221370746266).

2154741394534 is a wasteful number, since it uses less digits than its factorization.

2154741394534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48242195.

The product of its digits is 7257600, while the sum is 52.

The spelling of 2154741394534 in words is "two trillion, one hundred fifty-four billion, seven hundred forty-one million, three hundred ninety-four thousand, five hundred thirty-four".