2543154654 has 16 divisors (see below), whose sum is σ = 5086856448. Its totient is φ = 847627032.

The previous prime is 2543154637. The next prime is 2543154659. The reversal of 2543154654 is 4564513452.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2543154659) 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, 61749 + ... + 94335.

It is an arithmetic number, because the mean of its divisors is an integer number (317928528).

Almost surely, 2^2543154654 is an apocalyptic number.

2543154654 is an abundant number, since it is smaller than the sum of its proper divisors (2543701794).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2543154654 is a wasteful number, since it uses less digits than its factorization.

2543154654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45599.

The product of its digits is 288000, while the sum is 39.

The square root of 2543154654 is about 50429.7001180852. The cubic root of 2543154654 is about 1364.9736167397.

The spelling of 2543154654 in words is "two billion, five hundred forty-three million, one hundred fifty-four thousand, six hundred fifty-four".