19599149406 has 32 divisors (see below), whose sum is σ = 41066707968. Its totient is φ = 6227939520.

The previous prime is 19599149389. The next prime is 19599149411. The reversal of 19599149406 is 60494199591.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 773895 + ... + 798818.

It is an arithmetic number, because the mean of its divisors is an integer number (1283334624).

Almost surely, 2^19599149406 is an apocalyptic number.

19599149406 is an abundant number, since it is smaller than the sum of its proper divisors (21467558562).

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

19599149406 is a wasteful number, since it uses less digits than its factorization.

19599149406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1572816.

The product of its (nonzero) digits is 3149280, while the sum is 57.

The spelling of 19599149406 in words is "nineteen billion, five hundred ninety-nine million, one hundred forty-nine thousand, four hundred six".