67953540913 has 2 divisors, whose sum is σ = 67953540914. Its totient is φ = 67953540912.

The previous prime is 67953540901. The next prime is 67953540937. The reversal of 67953540913 is 31904535976.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 67043191329 + 910349584 = 258927^2 + 30172^2 .

It is a cyclic number.

It is not a de Polignac number, because 67953540913 - 2¹³ = 67953532721 is a prime.

It is a super-2 number, since 2×67953540913² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (67953540943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33976770456 + 33976770457.

It is an arithmetic number, because the mean of its divisors is an integer number (33976770457).

Almost surely, 2^67953540913 is an apocalyptic number.

It is an amenable number.

67953540913 is a deficient number, since it is larger than the sum of its proper divisors (1).

67953540913 is an equidigital number, since it uses as much as digits as its factorization.

67953540913 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3061800, while the sum is 52.

The spelling of 67953540913 in words is "sixty-seven billion, nine hundred fifty-three million, five hundred forty thousand, nine hundred thirteen".