2051572847435 has 4 divisors (see below), whose sum is σ = 2461887416928. Its totient is φ = 1641258277944.

The previous prime is 2051572847431. The next prime is 2051572847537. The reversal of 2051572847435 is 5347482751502.

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

It is a cyclic number.

It is not a de Polignac number, because 2051572847435 - 2² = 2051572847431 is a prime.

It is a super-2 number, since 2×2051572847435² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2051572847431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 205157284739 + ... + 205157284748.

It is an arithmetic number, because the mean of its divisors is an integer number (615471854232).

Almost surely, 2^{2051572847435} is an apocalyptic number.

2051572847435 is a deficient number, since it is larger than the sum of its proper divisors (410314569493).

2051572847435 is an equidigital number, since it uses as much as digits as its factorization.

2051572847435 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 410314569492.

The product of its (nonzero) digits is 9408000, while the sum is 53.

The spelling of 2051572847435 in words is "two trillion, fifty-one billion, five hundred seventy-two million, eight hundred forty-seven thousand, four hundred thirty-five".