366084013255421 has 2 divisors, whose sum is σ = 366084013255422. Its totient is φ = 366084013255420.

The previous prime is 366084013255343. The next prime is 366084013255601. The reversal of 366084013255421 is 124552310480663.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 212245883332921 + 153838129922500 = 14568661^2 + 12403150^2 .

It is a cyclic number.

It is not a de Polignac number, because 366084013255421 - 2³⁸ = 365809135348477 is a prime.

It is a super-2 number, since 2×366084013255421² (a number of 30 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 366084013255421.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (366084013251421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 183042006627710 + 183042006627711.

It is an arithmetic number, because the mean of its divisors is an integer number (183042006627711).

Almost surely, 2^{366084013255421} is an apocalyptic number.

It is an amenable number.

366084013255421 is a deficient number, since it is larger than the sum of its proper divisors (1).

366084013255421 is an equidigital number, since it uses as much as digits as its factorization.

366084013255421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4147200, while the sum is 50.

The spelling of 366084013255421 in words is "three hundred sixty-six trillion, eighty-four billion, thirteen million, two hundred fifty-five thousand, four hundred twenty-one".