67149322753 has 2 divisors, whose sum is σ = 67149322754. Its totient is φ = 67149322752.

The previous prime is 67149322741. The next prime is 67149322769. The reversal of 67149322753 is 35722394176.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 58031364609 + 9117958144 = 240897^2 + 95488^2 .

It is a cyclic number.

It is not a de Polignac number, because 67149322753 - 2⁹ = 67149322241 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 67149322697 and 67149322706.

It is not a weakly prime, because it can be changed into another prime (67149322153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33574661376 + 33574661377.

It is an arithmetic number, because the mean of its divisors is an integer number (33574661377).

Almost surely, 2^67149322753 is an apocalyptic number.

It is an amenable number.

67149322753 is a deficient number, since it is larger than the sum of its proper divisors (1).

67149322753 is an equidigital number, since it uses as much as digits as its factorization.

67149322753 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1905120, while the sum is 49.

The spelling of 67149322753 in words is "sixty-seven billion, one hundred forty-nine million, three hundred twenty-two thousand, seven hundred fifty-three".