6425137369073 has 2 divisors, whose sum is σ = 6425137369074. Its totient is φ = 6425137369072.

The previous prime is 6425137369069. The next prime is 6425137369093. The reversal of 6425137369073 is 3709637315246.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6386653915489 + 38483453584 = 2527183^2 + 196172^2 .

It is a cyclic number.

It is not a de Polignac number, because 6425137369073 - 2² = 6425137369069 is a prime.

It is a super-2 number, since 2×6425137369073² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (6425137369003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3212568684536 + 3212568684537.

It is an arithmetic number, because the mean of its divisors is an integer number (3212568684537).

Almost surely, 2^{6425137369073} is an apocalyptic number.

It is an amenable number.

6425137369073 is a deficient number, since it is larger than the sum of its proper divisors (1).

6425137369073 is an equidigital number, since it uses as much as digits as its factorization.

6425137369073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17146080, while the sum is 56.

The spelling of 6425137369073 in words is "six trillion, four hundred twenty-five billion, one hundred thirty-seven million, three hundred sixty-nine thousand, seventy-three".