63406394410 has 8 divisors (see below), whose sum is σ = 114131509956. Its totient is φ = 25362557760.

The previous prime is 63406394377. The next prime is 63406394423. The reversal of 63406394410 is 1449360436.

It can be written as a sum of positive squares in 2 ways, for example, as 60216742881 + 3189651529 = 245391^2 + 56477^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3170319711 + ... + 3170319730.

Almost surely, 2^63406394410 is an apocalyptic number.

63406394410 is a deficient number, since it is larger than the sum of its proper divisors (50725115546).

63406394410 is a wasteful number, since it uses less digits than its factorization.

63406394410 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6340639448.

The product of its (nonzero) digits is 186624, while the sum is 40.

The spelling of 63406394410 in words is "sixty-three billion, four hundred six million, three hundred ninety-four thousand, four hundred ten".