2870685523 has 2 divisors, whose sum is σ = 2870685524. Its totient is φ = 2870685522.

The previous prime is 2870685511. The next prime is 2870685539. The reversal of 2870685523 is 3255860782.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2870685523 - 2⁵ = 2870685491 is a prime.

It is not a weakly prime, because it can be changed into another prime (2870685593) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1435342761 + 1435342762.

It is an arithmetic number, because the mean of its divisors is an integer number (1435342762).

Almost surely, 2^2870685523 is an apocalyptic number.

2870685523 is a deficient number, since it is larger than the sum of its proper divisors (1).

2870685523 is an equidigital number, since it uses as much as digits as its factorization.

2870685523 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 806400, while the sum is 46.

The square root of 2870685523 is about 53578.7786628251. The cubic root of 2870685523 is about 1421.2218411426.

The spelling of 2870685523 in words is "two billion, eight hundred seventy million, six hundred eighty-five thousand, five hundred twenty-three".