2421305523047 has 4 divisors (see below), whose sum is σ = 2421688465560. Its totient is φ = 2420922580536.

The previous prime is 2421305523031. The next prime is 2421305523053. The reversal of 2421305523047 is 7403255031242.

2421305523047 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2421305523047 - 2⁴ = 2421305523031 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2421305523047.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2421305526047) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 191461772 + ... + 191474417.

It is an arithmetic number, because the mean of its divisors is an integer number (605422116390).

Almost surely, 2^{2421305523047} is an apocalyptic number.

2421305523047 is a deficient number, since it is larger than the sum of its proper divisors (382942513).

2421305523047 is an equidigital number, since it uses as much as digits as its factorization.

2421305523047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 382942512.

The product of its (nonzero) digits is 201600, while the sum is 38.

The spelling of 2421305523047 in words is "two trillion, four hundred twenty-one billion, three hundred five million, five hundred twenty-three thousand, forty-seven".