19470652949 has 16 divisors (see below), whose sum is σ = 21973026816. Its totient is φ = 17092786800.

The previous prime is 19470652889. The next prime is 19470652961. The reversal of 19470652949 is 94925607491.

It is a cyclic number.

It is not a de Polignac number, because 19470652949 - 2¹² = 19470648853 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 19470652894 and 19470652903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19470652549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 98114 + ... + 220380.

It is an arithmetic number, because the mean of its divisors is an integer number (1373314176).

Almost surely, 2^19470652949 is an apocalyptic number.

It is an amenable number.

19470652949 is a deficient number, since it is larger than the sum of its proper divisors (2502373867).

19470652949 is a wasteful number, since it uses less digits than its factorization.

19470652949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122776.

The product of its (nonzero) digits is 4898880, while the sum is 56.

The spelling of 19470652949 in words is "nineteen billion, four hundred seventy million, six hundred fifty-two thousand, nine hundred forty-nine".