2154741480734 has 4 divisors (see below), whose sum is σ = 3232112221104. Its totient is φ = 1077370740366.

The previous prime is 2154741480733. The next prime is 2154741480737. The reversal of 2154741480734 is 4370841474512.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2154741480733) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 538685370182 + ... + 538685370185.

It is an arithmetic number, because the mean of its divisors is an integer number (808028055276).

Almost surely, 2^{2154741480734} is an apocalyptic number.

2154741480734 is a deficient number, since it is larger than the sum of its proper divisors (1077370740370).

2154741480734 is a wasteful number, since it uses less digits than its factorization.

2154741480734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1077370740369.

The product of its (nonzero) digits is 3010560, while the sum is 50.

The spelling of 2154741480734 in words is "two trillion, one hundred fifty-four billion, seven hundred forty-one million, four hundred eighty thousand, seven hundred thirty-four".