46439020221979 has 12 divisors (see below), whose sum is σ = 58931892082008. Its totient is φ = 36186249523200.

The previous prime is 46439020221973. The next prime is 46439020221991. The reversal of 46439020221979 is 97912202093464.

It is not a de Polignac number, because 46439020221979 - 2⁷ = 46439020221851 is a prime.

It is not an unprimeable number, because it can be changed into a prime (46439020221973) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 43078867942 + ... + 43078869019.

It is an arithmetic number, because the mean of its divisors is an integer number (4910991006834).

Almost surely, 2^{46439020221979} is an apocalyptic number.

46439020221979 is a gapful number since it is divisible by the number (49) formed by its first and last digit.

46439020221979 is a deficient number, since it is larger than the sum of its proper divisors (12492871860029).

46439020221979 is a wasteful number, since it uses less digits than its factorization.

46439020221979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86157736986 (or 86157736979 counting only the distinct ones).

The product of its (nonzero) digits is 11757312, while the sum is 58.

The spelling of 46439020221979 in words is "forty-six trillion, four hundred thirty-nine billion, twenty million, two hundred twenty-one thousand, nine hundred seventy-nine".