863413690 has 8 divisors (see below), whose sum is σ = 1554144660. Its totient is φ = 345365472.

The previous prime is 863413679. The next prime is 863413693. The reversal of 863413690 is 96314368.

It can be written as a sum of positive squares in 2 ways, for example, as 743489289 + 119924401 = 27267^2 + 10951^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×863413690² = 1490966400158832200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (863413693) 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, 43170675 + ... + 43170694.

Almost surely, 2^863413690 is an apocalyptic number.

863413690 is a deficient number, since it is larger than the sum of its proper divisors (690730970).

863413690 is a wasteful number, since it uses less digits than its factorization.

863413690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86341376.

The product of its (nonzero) digits is 93312, while the sum is 40.

The square root of 863413690 is about 29383.9018852160. The cubic root of 863413690 is about 952.2251405058.

The spelling of 863413690 in words is "eight hundred sixty-three million, four hundred thirteen thousand, six hundred ninety".