2643140254 has 8 divisors (see below), whose sum is σ = 4056913080. Its totient is φ = 1290835896.

The previous prime is 2643140221. The next prime is 2643140261. The reversal of 2643140254 is 4520413462.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15367009 + ... + 15367180.

It is an arithmetic number, because the mean of its divisors is an integer number (507114135).

Almost surely, 2^2643140254 is an apocalyptic number.

2643140254 is a deficient number, since it is larger than the sum of its proper divisors (1413772826).

2643140254 is a wasteful number, since it uses less digits than its factorization.

2643140254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30734234.

The product of its (nonzero) digits is 23040, while the sum is 31.

The square root of 2643140254 is about 51411.4797880785. The cubic root of 2643140254 is about 1382.6324208937.

The spelling of 2643140254 in words is "two billion, six hundred forty-three million, one hundred forty thousand, two hundred fifty-four".