19047640002 has 16 divisors (see below), whose sum is σ = 38814059520. Its totient is φ = 6229416752.

The previous prime is 19047639991. The next prime is 19047640013. The reversal of 19047640002 is 20004674091.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (19047639991) and next prime (19047640013).

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, 29948802 + ... + 29949437.

It is an arithmetic number, because the mean of its divisors is an integer number (2425878720).

Almost surely, 2^19047640002 is an apocalyptic number.

19047640002 is an abundant number, since it is smaller than the sum of its proper divisors (19766419518).

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

19047640002 is a wasteful number, since it uses less digits than its factorization.

19047640002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59898297.

The product of its (nonzero) digits is 12096, while the sum is 33.

The spelling of 19047640002 in words is "nineteen billion, forty-seven million, six hundred forty thousand, two".