1010685863 has 4 divisors (see below), whose sum is σ = 1102566408. Its totient is φ = 918805320.

The previous prime is 1010685799. The next prime is 1010685877. The reversal of 1010685863 is 3685860101.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1010685863 - 2⁶ = 1010685799 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1010685463) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45940256 + ... + 45940277.

It is an arithmetic number, because the mean of its divisors is an integer number (275641602).

Almost surely, 2^1010685863 is an apocalyptic number.

1010685863 is a deficient number, since it is larger than the sum of its proper divisors (91880545).

1010685863 is an equidigital number, since it uses as much as digits as its factorization.

1010685863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91880544.

The product of its (nonzero) digits is 34560, while the sum is 38.

The square root of 1010685863 is about 31791.2859601495. The cubic root of 1010685863 is about 1003.5493416029.

The spelling of 1010685863 in words is "one billion, ten million, six hundred eighty-five thousand, eight hundred sixty-three".