39928884919 has 16 divisors (see below), whose sum is σ = 50069237760. Its totient is φ = 30933560160.

The previous prime is 39928884913. The next prime is 39928884967. The reversal of 39928884919 is 91948882993.

It is a cyclic number.

It is not a de Polignac number, because 39928884919 - 2¹³ = 39928876727 is a prime.

It is a super-2 number, since 2×39928884919² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39928884913) 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, 1485399 + ... + 1512040.

It is an arithmetic number, because the mean of its divisors is an integer number (3129327360).

Almost surely, 2^39928884919 is an apocalyptic number.

39928884919 is a deficient number, since it is larger than the sum of its proper divisors (10140352841).

39928884919 is a wasteful number, since it uses less digits than its factorization.

39928884919 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2997630.

The product of its digits is 80621568, while the sum is 70.

The spelling of 39928884919 in words is "thirty-nine billion, nine hundred twenty-eight million, eight hundred eighty-four thousand, nine hundred nineteen".