368460891421 has 6 divisors (see below), whose sum is σ = 428617771710. Its totient is φ = 315823621176.

The previous prime is 368460891419. The next prime is 368460891437. The reversal of 368460891421 is 124198064863.

It can be written as a sum of positive squares in only one way, i.e., 357615960100 + 10844931321 = 598010^2 + 104139^2 .

It is not a de Polignac number, because 368460891421 - 2¹ = 368460891419 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (368460891401) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3759804966 + ... + 3759805063.

It is an arithmetic number, because the mean of its divisors is an integer number (71436295285).

Almost surely, 2^368460891421 is an apocalyptic number.

It is an amenable number.

368460891421 is a deficient number, since it is larger than the sum of its proper divisors (60156880289).

368460891421 is an equidigital number, since it uses as much as digits as its factorization.

368460891421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7519610043 (or 7519610036 counting only the distinct ones).

The product of its (nonzero) digits is 1990656, while the sum is 52.

The spelling of 368460891421 in words is "three hundred sixty-eight billion, four hundred sixty million, eight hundred ninety-one thousand, four hundred twenty-one".