63354099938 has 4 divisors (see below), whose sum is σ = 95031149910. Its totient is φ = 31677049968.

The previous prime is 63354099917. The next prime is 63354099961. The reversal of 63354099938 is 83999045336.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 43316848129 + 20037251809 = 208127^2 + 141553^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15838524983 + ... + 15838524986.

Almost surely, 2^63354099938 is an apocalyptic number.

63354099938 is a deficient number, since it is larger than the sum of its proper divisors (31677049972).

63354099938 is a wasteful number, since it uses less digits than its factorization.

63354099938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31677049971.

The product of its (nonzero) digits is 18895680, while the sum is 59.

The spelling of 63354099938 in words is "sixty-three billion, three hundred fifty-four million, ninety-nine thousand, nine hundred thirty-eight".