764135211344041 has 4 divisors (see below), whose sum is σ = 764135599600084. Its totient is φ = 764134823088000.

The previous prime is 764135211344027. The next prime is 764135211344081. The reversal of 764135211344041 is 140443112531467.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 130651415181225 + 633483796162816 = 11430285^2 + 25169104^2 .

It is a cyclic number.

It is not a de Polignac number, because 764135211344041 - 2²¹ = 764135209246889 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 764135211343982 and 764135211344000.

It is not an unprimeable number, because it can be changed into a prime (764135211344081) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 191160720 + ... + 195117121.

It is an arithmetic number, because the mean of its divisors is an integer number (191033899900021).

Almost surely, 2^{764135211344041} is an apocalyptic number.

It is an amenable number.

764135211344041 is a deficient number, since it is larger than the sum of its proper divisors (388256043).

764135211344041 is a wasteful number, since it uses less digits than its factorization.

764135211344041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 388256042.

The product of its (nonzero) digits is 967680, while the sum is 46.

The spelling of 764135211344041 in words is "seven hundred sixty-four trillion, one hundred thirty-five billion, two hundred eleven million, three hundred forty-four thousand, forty-one".