63412091 has 8 divisors (see below), whose sum is σ = 67379760. Its totient is φ = 59677344.

The previous prime is 63412087. The next prime is 63412099. The reversal of 63412091 is 19021436.

It is not a de Polignac number, because 63412091 - 2² = 63412087 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 63412091.

It is not an unprimeable number, because it can be changed into a prime (63412099) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1541 + ... + 11366.

It is an arithmetic number, because the mean of its divisors is an integer number (8422470).

Almost surely, 2^63412091 is an apocalyptic number.

63412091 is a deficient number, since it is larger than the sum of its proper divisors (3967669).

63412091 is an equidigital number, since it uses as much as digits as its factorization.

63412091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12958 (or 12924 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 63412091 is about 7963.1709136499. The cubic root of 63412091 is about 398.7714199242.

The spelling of 63412091 in words is "sixty-three million, four hundred twelve thousand, ninety-one".