2643477623 has 2 divisors, whose sum is σ = 2643477624. Its totient is φ = 2643477622.

The previous prime is 2643477553. The next prime is 2643477643. The reversal of 2643477623 is 3267743462.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2643477623 - 2⁸ = 2643477367 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2643477643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1321738811 + 1321738812.

It is an arithmetic number, because the mean of its divisors is an integer number (1321738812).

Almost surely, 2^2643477623 is an apocalyptic number.

2643477623 is a deficient number, since it is larger than the sum of its proper divisors (1).

2643477623 is an equidigital number, since it uses as much as digits as its factorization.

2643477623 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1016064, while the sum is 44.

The square root of 2643477623 is about 51414.7607501970. The cubic root of 2643477623 is about 1382.6912445438.

The spelling of 2643477623 in words is "two billion, six hundred forty-three million, four hundred seventy-seven thousand, six hundred twenty-three".