10240121549 has 8 divisors (see below), whose sum is σ = 11708780160. Its totient is φ = 8772908976.

The previous prime is 10240121537. The next prime is 10240121587. The reversal of 10240121549 is 94512104201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 10240121549 - 2⁴ = 10240121533 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10240121599) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 346289 + ... + 374694.

It is an arithmetic number, because the mean of its divisors is an integer number (1463597520).

Almost surely, 2^10240121549 is an apocalyptic number.

It is an amenable number.

10240121549 is a deficient number, since it is larger than the sum of its proper divisors (1468658611).

10240121549 is an equidigital number, since it uses as much as digits as its factorization.

10240121549 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 723019.

The product of its (nonzero) digits is 2880, while the sum is 29.

The spelling of 10240121549 in words is "ten billion, two hundred forty million, one hundred twenty-one thousand, five hundred forty-nine".