764855467073 has 2 divisors, whose sum is σ = 764855467074. Its totient is φ = 764855467072.

The previous prime is 764855467039. The next prime is 764855467099. The reversal of 764855467073 is 370764558467.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 451218505984 + 313636961089 = 671728^2 + 560033^2 .

It is an emirp because it is prime and its reverse (370764558467) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 764855467073 - 2¹⁶ = 764855401537 is a prime.

It is a super-2 number, since 2×764855467073² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 764855466997 and 764855467015.

It is not a weakly prime, because it can be changed into another prime (764855467373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 382427733536 + 382427733537.

It is an arithmetic number, because the mean of its divisors is an integer number (382427733537).

Almost surely, 2^764855467073 is an apocalyptic number.

It is an amenable number.

764855467073 is a deficient number, since it is larger than the sum of its proper divisors (1).

764855467073 is an equidigital number, since it uses as much as digits as its factorization.

764855467073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 118540800, while the sum is 62.

The spelling of 764855467073 in words is "seven hundred sixty-four billion, eight hundred fifty-five million, four hundred sixty-seven thousand, seventy-three".