1956825326653 has 4 divisors (see below), whose sum is σ = 1986031674880. Its totient is φ = 1927618978428.

The previous prime is 1956825326641. The next prime is 1956825326663. The reversal of 1956825326653 is 3566235286591.

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 a de Polignac number, because none of the positive numbers 2^k-1956825326653 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1956825326591 and 1956825326600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1956825326663) 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, 14603174013 + ... + 14603174146.

It is an arithmetic number, because the mean of its divisors is an integer number (496507918720).

Almost surely, 2^{1956825326653} is an apocalyptic number.

It is an amenable number.

1956825326653 is a deficient number, since it is larger than the sum of its proper divisors (29206348227).

1956825326653 is an equidigital number, since it uses as much as digits as its factorization.

1956825326653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29206348226.

The product of its digits is 69984000, while the sum is 61.

The spelling of 1956825326653 in words is "one trillion, nine hundred fifty-six billion, eight hundred twenty-five million, three hundred twenty-six thousand, six hundred fifty-three".