2051764009829 has 4 divisors (see below), whose sum is σ = 2051825467776. Its totient is φ = 2051702551884.

The previous prime is 2051764009807. The next prime is 2051764009903. The reversal of 2051764009829 is 9289004671502.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2051764009829 - 2²⁰ = 2051762961253 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2051764009429) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30678869 + ... + 30745674.

It is an arithmetic number, because the mean of its divisors is an integer number (512956366944).

Almost surely, 2^{2051764009829} is an apocalyptic number.

It is an amenable number.

2051764009829 is a deficient number, since it is larger than the sum of its proper divisors (61457947).

2051764009829 is an equidigital number, since it uses as much as digits as its factorization.

2051764009829 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61457946.

The product of its (nonzero) digits is 2177280, while the sum is 53.

The spelling of 2051764009829 in words is "two trillion, fifty-one billion, seven hundred sixty-four million, nine thousand, eight hundred twenty-nine".