19629364401 has 6 divisors (see below), whose sum is σ = 28353526370. Its totient is φ = 13086242928.

The previous prime is 19629364333. The next prime is 19629364423. The reversal of 19629364401 is 10446392691.

19629364401 is a `hidden beast` number, since 19 + 629 + 3 + 6 + 4 + 4 + 0 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 17161262001 + 2468102400 = 131001^2 + 49680^2 .

It is not a de Polignac number, because 19629364401 - 2⁹ = 19629363889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (19629364481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1090520236 + ... + 1090520253.

Almost surely, 2^19629364401 is an apocalyptic number.

It is an amenable number.

19629364401 is a deficient number, since it is larger than the sum of its proper divisors (8724161969).

19629364401 is a wasteful number, since it uses less digits than its factorization.

19629364401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2181040495 (or 2181040492 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 45.

The spelling of 19629364401 in words is "nineteen billion, six hundred twenty-nine million, three hundred sixty-four thousand, four hundred one".