63547948398 has 16 divisors (see below), whose sum is σ = 138650069376. Its totient is φ = 19256954040.

The previous prime is 63547948381. The next prime is 63547948411. The reversal of 63547948398 is 89384974536.

It is a Harshad number since it is a multiple of its sum of digits (66), and also a Moran number because the ratio is a prime number: 962847703 = 63547948398 / (6 + 3 + 5 + 4 + 7 + 9 + 4 + 8 + 3 + 9 + 8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 481423786 + ... + 481423917.

It is an arithmetic number, because the mean of its divisors is an integer number (8665629336).

Almost surely, 2^63547948398 is an apocalyptic number.

63547948398 is an abundant number, since it is smaller than the sum of its proper divisors (75102120978).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

63547948398 is a wasteful number, since it uses less digits than its factorization.

63547948398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 962847719.

The product of its digits is 156764160, while the sum is 66.

The spelling of 63547948398 in words is "sixty-three billion, five hundred forty-seven million, nine hundred forty-eight thousand, three hundred ninety-eight".