2543967630 has 48 divisors (see below), whose sum is σ = 6707492064. Its totient is φ = 668834880.

The previous prime is 2543967623. The next prime is 2543967653. The reversal of 2543967630 is 367693452.

2543967630 is a `hidden beast` number, since 2 + 5 + 4 + 3 + 9 + 6 + 7 + 630 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 192669 + ... + 205448.

It is an arithmetic number, because the mean of its divisors is an integer number (139739418).

Almost surely, 2^2543967630 is an apocalyptic number.

2543967630 is an abundant number, since it is smaller than the sum of its proper divisors (4163524434).

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

2543967630 is a wasteful number, since it uses less digits than its factorization.

2543967630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 398201 (or 398198 counting only the distinct ones).

The product of its (nonzero) digits is 816480, while the sum is 45.

The square root of 2543967630 is about 50437.7599621553. The cubic root of 2543967630 is about 1365.1190493116.

The spelling of 2543967630 in words is "two billion, five hundred forty-three million, nine hundred sixty-seven thousand, six hundred thirty".