39189409245 has 48 divisors (see below), whose sum is σ = 77662271232. Its totient is φ = 17908254720.

The previous prime is 39189409243. The next prime is 39189409247. The reversal of 39189409245 is 54290498193.

39189409245 is a `hidden beast` number, since 39 + 189 + 409 + 24 + 5 = 666.

It is an interprime number because it is at equal distance from previous prime (39189409243) and next prime (39189409247).

It is not a de Polignac number, because 39189409245 - 2¹ = 39189409243 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 39189409191 and 39189409200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39189409243) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 844600 + ... + 889790.

It is an arithmetic number, because the mean of its divisors is an integer number (1617963984).

Almost surely, 2^39189409245 is an apocalyptic number.

39189409245 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

39189409245 is a deficient number, since it is larger than the sum of its proper divisors (38472861987).

39189409245 is a wasteful number, since it uses less digits than its factorization.

39189409245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47962 (or 47959 counting only the distinct ones).

The product of its (nonzero) digits is 2799360, while the sum is 54.

The spelling of 39189409245 in words is "thirty-nine billion, one hundred eighty-nine million, four hundred nine thousand, two hundred forty-five".