2051526663346 has 4 divisors (see below), whose sum is σ = 3077289995022. Its totient is φ = 1025763331672.

The previous prime is 2051526663343. The next prime is 2051526663359. The reversal of 2051526663346 is 6433666251502.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2040072312721 + 11454350625 = 1428311^2 + 107025^2 .

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 2051526663346.

It is not an unprimeable number, because it can be changed into a prime (2051526663343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 512881665835 + ... + 512881665838.

Almost surely, 2^{2051526663346} is an apocalyptic number.

2051526663346 is a deficient number, since it is larger than the sum of its proper divisors (1025763331676).

2051526663346 is a wasteful number, since it uses less digits than its factorization.

2051526663346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1025763331675.

The product of its (nonzero) digits is 4665600, while the sum is 49.

The spelling of 2051526663346 in words is "two trillion, fifty-one billion, five hundred twenty-six million, six hundred sixty-three thousand, three hundred forty-six".