63420176534 has 32 divisors (see below), whose sum is σ = 114487339680. Its totient is φ = 25960838400.

The previous prime is 63420176497. The next prime is 63420176537. The reversal of 63420176534 is 43567102436.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 63420176491 and 63420176500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63420176537) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2692529 + ... + 2715980.

It is an arithmetic number, because the mean of its divisors is an integer number (3577729365).

Almost surely, 2^63420176534 is an apocalyptic number.

63420176534 is a deficient number, since it is larger than the sum of its proper divisors (51067163146).

63420176534 is a wasteful number, since it uses less digits than its factorization.

63420176534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5408576.

The product of its (nonzero) digits is 362880, while the sum is 41.

The spelling of 63420176534 in words is "sixty-three billion, four hundred twenty million, one hundred seventy-six thousand, five hundred thirty-four".