771070493 has 2 divisors, whose sum is σ = 771070494. Its totient is φ = 771070492.

The previous prime is 771070481. The next prime is 771070499. The reversal of 771070493 is 394070177.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 684450244 + 86620249 = 26162^2 + 9307^2 .

It is a cyclic number.

It is not a de Polignac number, because 771070493 - 2⁶ = 771070429 is a prime.

It is equal to p_39733373 and since 771070493 and 39733373 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (771070499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 385535246 + 385535247.

It is an arithmetic number, because the mean of its divisors is an integer number (385535247).

Almost surely, 2^771070493 is an apocalyptic number.

It is an amenable number.

771070493 is a deficient number, since it is larger than the sum of its proper divisors (1).

771070493 is an equidigital number, since it uses as much as digits as its factorization.

771070493 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 37044, while the sum is 38.

The square root of 771070493 is about 27768.1560965074. The cubic root of 771070493 is about 916.9902007422.

The spelling of 771070493 in words is "seven hundred seventy-one million, seventy thousand, four hundred ninety-three".