9145914645437 has 2 divisors, whose sum is σ = 9145914645438. Its totient is φ = 9145914645436.

The previous prime is 9145914645377. The next prime is 9145914645503. The reversal of 9145914645437 is 7345464195419.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7972637899396 + 1173276746041 = 2823586^2 + 1083179^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9145914645437 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 9145914645437.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9145914645037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4572957322718 + 4572957322719.

It is an arithmetic number, because the mean of its divisors is an integer number (4572957322719).

Almost surely, 2^{9145914645437} is an apocalyptic number.

It is an amenable number.

9145914645437 is a deficient number, since it is larger than the sum of its proper divisors (1).

9145914645437 is an equidigital number, since it uses as much as digits as its factorization.

9145914645437 is an evil number, because the sum of its binary digits is even.

The product of its digits is 65318400, while the sum is 62.

The spelling of 9145914645437 in words is "nine trillion, one hundred forty-five billion, nine hundred fourteen million, six hundred forty-five thousand, four hundred thirty-seven".