27463465840421 has 32 divisors (see below), whose sum is σ = 31595059077120. Its totient is φ = 23647288283136.

The previous prime is 27463465840417. The next prime is 27463465840511. The reversal of 27463465840421 is 12404856436472.

It is a cyclic number.

It is not a de Polignac number, because 27463465840421 - 2² = 27463465840417 is a prime.

It is a super-2 number, since 2×27463465840421² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27463465840411) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 26634845 + ... + 27646733.

It is an arithmetic number, because the mean of its divisors is an integer number (987345596160).

Almost surely, 2^{27463465840421} is an apocalyptic number.

It is an amenable number.

27463465840421 is a deficient number, since it is larger than the sum of its proper divisors (4131593236699).

27463465840421 is a wasteful number, since it uses less digits than its factorization.

27463465840421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1013013.

The product of its (nonzero) digits is 30965760, while the sum is 56.

The spelling of 27463465840421 in words is "twenty-seven trillion, four hundred sixty-three billion, four hundred sixty-five million, eight hundred forty thousand, four hundred twenty-one".