39780428363 has 16 divisors (see below), whose sum is σ = 44007481056. Its totient is φ = 35726745600.

The previous prime is 39780428339. The next prime is 39780428377. The reversal of 39780428363 is 36382408793.

It is not a de Polignac number, because 39780428363 - 2¹⁶ = 39780362827 is a prime.

It is not an unprimeable number, because it can be changed into a prime (39780428323) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5213 + ... + 282113.

It is an arithmetic number, because the mean of its divisors is an integer number (2750467566).

Almost surely, 2^39780428363 is an apocalyptic number.

39780428363 is a deficient number, since it is larger than the sum of its proper divisors (4227052693).

39780428363 is a wasteful number, since it uses less digits than its factorization.

39780428363 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277214.

The product of its (nonzero) digits is 5225472, while the sum is 53.

The spelling of 39780428363 in words is "thirty-nine billion, seven hundred eighty million, four hundred twenty-eight thousand, three hundred sixty-three".