6729295540889 has 2 divisors, whose sum is σ = 6729295540890. Its totient is φ = 6729295540888.

The previous prime is 6729295540879. The next prime is 6729295540927. The reversal of 6729295540889 is 9880455929276.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6513342015625 + 215953525264 = 2552125^2 + 464708^2 .

It is a cyclic number.

It is not a de Polignac number, because 6729295540889 - 2⁴⁰ = 5629783913113 is a prime.

It is not a weakly prime, because it can be changed into another prime (6729295540879) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3364647770444 + 3364647770445.

It is an arithmetic number, because the mean of its divisors is an integer number (3364647770445).

Almost surely, 2^{6729295540889} is an apocalyptic number.

It is an amenable number.

6729295540889 is a deficient number, since it is larger than the sum of its proper divisors (1).

6729295540889 is an equidigital number, since it uses as much as digits as its factorization.

6729295540889 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 783820800, while the sum is 74.

The spelling of 6729295540889 in words is "six trillion, seven hundred twenty-nine billion, two hundred ninety-five million, five hundred forty thousand, eight hundred eighty-nine".