65403177130457 has 2 divisors, whose sum is σ = 65403177130458. Its totient is φ = 65403177130456.

The previous prime is 65403177130429. The next prime is 65403177130463. The reversal of 65403177130457 is 75403177130456.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 44736888382096 + 20666288748361 = 6688564^2 + 4546019^2 .

It is a cyclic number.

It is not a de Polignac number, because 65403177130457 - 2³² = 65398882163161 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 65403177130399 and 65403177130408.

It is not a weakly prime, because it can be changed into another prime (65403177130157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32701588565228 + 32701588565229.

It is an arithmetic number, because the mean of its divisors is an integer number (32701588565229).

Almost surely, 2^{65403177130457} is an apocalyptic number.

It is an amenable number.

65403177130457 is a deficient number, since it is larger than the sum of its proper divisors (1).

65403177130457 is an equidigital number, since it uses as much as digits as its factorization.

65403177130457 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7408800, while the sum is 53.

Subtracting 65403177130457 from its reverse (75403177130456), we obtain a palindrome (9999999999999).

The spelling of 65403177130457 in words is "sixty-five trillion, four hundred three billion, one hundred seventy-seven million, one hundred thirty thousand, four hundred fifty-seven".