2643442973430 has 32 divisors (see below), whose sum is σ = 7250586441984. Its totient is φ = 604215536736.

The previous prime is 2643442973377. The next prime is 2643442973453. The reversal of 2643442973430 is 343792443462.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6293911632 + ... + 6293912051.

It is an arithmetic number, because the mean of its divisors is an integer number (226580826312).

Almost surely, 2^{2643442973430} is an apocalyptic number.

2643442973430 is an abundant number, since it is smaller than the sum of its proper divisors (4607143468554).

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

2643442973430 is a wasteful number, since it uses less digits than its factorization.

2643442973430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12587823700.

The product of its (nonzero) digits is 10450944, while the sum is 51.

The spelling of 2643442973430 in words is "two trillion, six hundred forty-three billion, four hundred forty-two million, nine hundred seventy-three thousand, four hundred thirty".