64354450042146 has 48 divisors (see below), whose sum is σ = 144483491924352. Its totient is φ = 19086426179040.

The previous prime is 64354450042109. The next prime is 64354450042177. The reversal of 64354450042146 is 64124005445346.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 64354450042095 and 64354450042104.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 942971125 + ... + 943039368.

It is an arithmetic number, because the mean of its divisors is an integer number (3010072748424).

Almost surely, 2^{64354450042146} is an apocalyptic number.

64354450042146 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

64354450042146 is an abundant number, since it is smaller than the sum of its proper divisors (80129041882206).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

64354450042146 is a wasteful number, since it uses less digits than its factorization.

64354450042146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1886010567 (or 1886010556 counting only the distinct ones).

The product of its (nonzero) digits is 5529600, while the sum is 48.

The spelling of 64354450042146 in words is "sixty-four trillion, three hundred fifty-four billion, four hundred fifty million, forty-two thousand, one hundred forty-six".