39804299099137 has 4 divisors (see below), whose sum is σ = 39824231148756. Its totient is φ = 39784367049520.

The previous prime is 39804299099111. The next prime is 39804299099183. The reversal of 39804299099137 is 73199099240893.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 728810519616 + 39075488579521 = 853704^2 + 6251039^2 .

It is a cyclic number.

It is not a de Polignac number, because 39804299099137 - 2¹⁵ = 39804299066369 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 39804299099137.

It is not an unprimeable number, because it can be changed into a prime (39804299099737) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9966021814 + ... + 9966025807.

It is an arithmetic number, because the mean of its divisors is an integer number (9956057787189).

Almost surely, 2^{39804299099137} is an apocalyptic number.

It is an amenable number.

39804299099137 is a deficient number, since it is larger than the sum of its proper divisors (19932049619).

39804299099137 is a wasteful number, since it uses less digits than its factorization.

39804299099137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19932049618.

The product of its (nonzero) digits is 238085568, while the sum is 73.

The spelling of 39804299099137 in words is "thirty-nine trillion, eight hundred four billion, two hundred ninety-nine million, ninety-nine thousand, one hundred thirty-seven".