61638069482 has 16 divisors (see below), whose sum is σ = 104115919104. Its totient is φ = 27113520000.

The previous prime is 61638069473. The next prime is 61638069497. The reversal of 61638069482 is 28496083616.

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, 45188519 + ... + 45189882.

It is an arithmetic number, because the mean of its divisors is an integer number (6507244944).

Almost surely, 2^61638069482 is an apocalyptic number.

61638069482 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

61638069482 is a deficient number, since it is larger than the sum of its proper divisors (42477849622).

61638069482 is a wasteful number, since it uses less digits than its factorization.

61638069482 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90378445.

The product of its (nonzero) digits is 2985984, while the sum is 53.

The spelling of 61638069482 in words is "sixty-one billion, six hundred thirty-eight million, sixty-nine thousand, four hundred eighty-two".