2145326063426 has 64 divisors (see below), whose sum is σ = 4103643575808. Its totient is φ = 818454647808.

The previous prime is 2145326063371. The next prime is 2145326063431. The reversal of 2145326063426 is 6243606235412.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 648710 + ... + 2170593.

It is an arithmetic number, because the mean of its divisors is an integer number (64119430872).

Almost surely, 2^{2145326063426} is an apocalyptic number.

2145326063426 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

2145326063426 is a deficient number, since it is larger than the sum of its proper divisors (1958317512382).

2145326063426 is a wasteful number, since it uses less digits than its factorization.

2145326063426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2819475.

The product of its (nonzero) digits is 1244160, while the sum is 44.

The spelling of 2145326063426 in words is "two trillion, one hundred forty-five billion, three hundred twenty-six million, sixty-three thousand, four hundred twenty-six".