2421287684375 has 36 divisors (see below), whose sum is σ = 3520524843864. Its totient is φ = 1660311450000.

The previous prime is 2421287684351. The next prime is 2421287684381. The reversal of 2421287684375 is 5734867821242.

It is not a de Polignac number, because 2421287684375 - 2¹⁶ = 2421287618839 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 7753121 + ... + 8059370.

It is an arithmetic number, because the mean of its divisors is an integer number (97792356774).

Almost surely, 2^{2421287684375} is an apocalyptic number.

2421287684375 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2421287684375 is a deficient number, since it is larger than the sum of its proper divisors (1099237159489).

2421287684375 is an frugal number, since it uses more digits than its factorization.

2421287684375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15812530 (or 15812503 counting only the distinct ones).

The product of its digits is 36126720, while the sum is 59.

The spelling of 2421287684375 in words is "two trillion, four hundred twenty-one billion, two hundred eighty-seven million, six hundred eighty-four thousand, three hundred seventy-five".