2956061926789 has 2 divisors, whose sum is σ = 2956061926790. Its totient is φ = 2956061926788.

The previous prime is 2956061926751. The next prime is 2956061926843. The reversal of 2956061926789 is 9876291606592.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2386855053025 + 569206873764 = 1544945^2 + 754458^2 .

It is a cyclic number.

It is not a de Polignac number, because 2956061926789 - 2⁹ = 2956061926277 is a prime.

It is a super-2 number, since 2×2956061926789² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2956061926289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1478030963394 + 1478030963395.

It is an arithmetic number, because the mean of its divisors is an integer number (1478030963395).

Almost surely, 2^{2956061926789} is an apocalyptic number.

It is an amenable number.

2956061926789 is a deficient number, since it is larger than the sum of its proper divisors (1).

2956061926789 is an equidigital number, since it uses as much as digits as its factorization.

2956061926789 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 176359680, while the sum is 70.

The spelling of 2956061926789 in words is "two trillion, nine hundred fifty-six billion, sixty-one million, nine hundred twenty-six thousand, seven hundred eighty-nine".