2091245486426 has 32 divisors (see below), whose sum is σ = 3330244685520. Its totient is φ = 981492736000.

The previous prime is 2091245486401. The next prime is 2091245486431. The reversal of 2091245486426 is 6246845421902.

It can be written as a sum of positive squares in 8 ways, for example, as 1930985380801 + 160260105625 = 1389599^2 + 400325^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 118347920 + ... + 118365588.

Almost surely, 2^{2091245486426} is an apocalyptic number.

2091245486426 is a deficient number, since it is larger than the sum of its proper divisors (1238999199094).

2091245486426 is a wasteful number, since it uses less digits than its factorization.

2091245486426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26770.

The product of its (nonzero) digits is 6635520, while the sum is 53.

The spelling of 2091245486426 in words is "two trillion, ninety-one billion, two hundred forty-five million, four hundred eighty-six thousand, four hundred twenty-six".