770541580381 has 2 divisors, whose sum is σ = 770541580382. Its totient is φ = 770541580380.

The previous prime is 770541580379. The next prime is 770541580537. The reversal of 770541580381 is 183085145077.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 727423057881 + 43118522500 = 852891^2 + 207650^2 .

It is a cyclic number.

It is not a de Polignac number, because 770541580381 - 2¹ = 770541580379 is a prime.

It is a super-2 number, since 2×770541580381² (a number of 25 digits) contains 22 as substring.

Together with 770541580379, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (770541580331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 385270790190 + 385270790191.

It is an arithmetic number, because the mean of its divisors is an integer number (385270790191).

Almost surely, 2^770541580381 is an apocalyptic number.

It is an amenable number.

770541580381 is a deficient number, since it is larger than the sum of its proper divisors (1).

770541580381 is an equidigital number, since it uses as much as digits as its factorization.

770541580381 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 940800, while the sum is 49.

The spelling of 770541580381 in words is "seven hundred seventy billion, five hundred forty-one million, five hundred eighty thousand, three hundred eighty-one".