12953019953 has 2 divisors, whose sum is σ = 12953019954. Its totient is φ = 12953019952.

The previous prime is 12953019931. The next prime is 12953019973. The reversal of 12953019953 is 35991035921.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7905343744 + 5047676209 = 88912^2 + 71047^2 .

It is an emirp because it is prime and its reverse (35991035921) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12953019953 - 2⁶ = 12953019889 is a prime.

It is a super-2 number, since 2×12953019953² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12953019898 and 12953019907.

It is not a weakly prime, because it can be changed into another prime (12953019913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6476509976 + 6476509977.

It is an arithmetic number, because the mean of its divisors is an integer number (6476509977).

Almost surely, 2^12953019953 is an apocalyptic number.

It is an amenable number.

12953019953 is a deficient number, since it is larger than the sum of its proper divisors (1).

12953019953 is an equidigital number, since it uses as much as digits as its factorization.

12953019953 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 328050, while the sum is 47.

The spelling of 12953019953 in words is "twelve billion, nine hundred fifty-three million, nineteen thousand, nine hundred fifty-three".