19652945 has 16 divisors (see below), whose sum is σ = 25546752. Its totient is φ = 14427840.

The previous prime is 19652933. The next prime is 19652993. The reversal of 19652945 is 54925691.

It is not a de Polignac number, because 19652945 - 2⁴ = 19652929 is a prime.

It is a Duffinian number.

It is a Curzon 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, 11624 + ... + 13206.

It is an arithmetic number, because the mean of its divisors is an integer number (1596672).

Almost surely, 2^19652945 is an apocalyptic number.

It is an amenable number.

19652945 is a deficient number, since it is larger than the sum of its proper divisors (5893807).

19652945 is a wasteful number, since it uses less digits than its factorization.

19652945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1792.

The product of its digits is 97200, while the sum is 41.

The square root of 19652945 is about 4433.1642198322. The cubic root of 19652945 is about 269.8625042958.

The spelling of 19652945 in words is "nineteen million, six hundred fifty-two thousand, nine hundred forty-five".