30551433140642 has 4 divisors (see below), whose sum is σ = 45827149710966. Its totient is φ = 15275716570320.

The previous prime is 30551433140581. The next prime is 30551433140653. The reversal of 30551433140642 is 24604133415503.

It is a happy number.

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., 17232137647921 + 13319295492721 = 4151161^2 + 3649561^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 30551433140642.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7637858285159 + ... + 7637858285162.

Almost surely, 2^{30551433140642} is an apocalyptic number.

30551433140642 is a deficient number, since it is larger than the sum of its proper divisors (15275716570324).

30551433140642 is a wasteful number, since it uses less digits than its factorization.

30551433140642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15275716570323.

The product of its (nonzero) digits is 518400, while the sum is 41.

The spelling of 30551433140642 in words is "thirty trillion, five hundred fifty-one billion, four hundred thirty-three million, one hundred forty thousand, six hundred forty-two".