438146621283 has 32 divisors (see below), whose sum is σ = 677223493632. Its totient is φ = 246781936800.

The previous prime is 438146621281. The next prime is 438146621347. The reversal of 438146621283 is 382126641834.

438146621283 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 438146621283 - 2¹ = 438146621281 is a prime.

It is not an unprimeable number, because it can be changed into a prime (438146621281) 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, 6351648 + ... + 6420258.

It is an arithmetic number, because the mean of its divisors is an integer number (21163234176).

Almost surely, 2^438146621283 is an apocalyptic number.

438146621283 is a deficient number, since it is larger than the sum of its proper divisors (239076872349).

438146621283 is a wasteful number, since it uses less digits than its factorization.

438146621283 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72975.

The product of its digits is 1327104, while the sum is 48.

The spelling of 438146621283 in words is "four hundred thirty-eight billion, one hundred forty-six million, six hundred twenty-one thousand, two hundred eighty-three".