63464155426 has 16 divisors (see below), whose sum is σ = 108799885440. Its totient is φ = 27197876160.

The previous prime is 63464155397. The next prime is 63464155427. The reversal of 63464155426 is 62455146436.

It is not an unprimeable number, because it can be changed into a prime (63464155427) 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, 372771 + ... + 515641.

It is an arithmetic number, because the mean of its divisors is an integer number (6799992840).

Almost surely, 2^63464155426 is an apocalyptic number.

63464155426 is a deficient number, since it is larger than the sum of its proper divisors (45335730014).

63464155426 is a wasteful number, since it uses less digits than its factorization.

63464155426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174609.

The product of its digits is 2073600, while the sum is 46.

The spelling of 63464155426 in words is "sixty-three billion, four hundred sixty-four million, one hundred fifty-five thousand, four hundred twenty-six".