39539963413 has 8 divisors (see below), whose sum is σ = 39711963960. Its totient is φ = 39368333760.

The previous prime is 39539963371. The next prime is 39539963429. The reversal of 39539963413 is 31436993593.

39539963413 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 2050097284 + 37489866129 = 45278^2 + 193623^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 39539963413 - 2²¹ = 39537866261 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39539960413) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 122031 + ... + 306547.

It is an arithmetic number, because the mean of its divisors is an integer number (4963995495).

Almost surely, 2^39539963413 is an apocalyptic number.

It is an amenable number.

39539963413 is a deficient number, since it is larger than the sum of its proper divisors (172000547).

39539963413 is a wasteful number, since it uses less digits than its factorization.

39539963413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185447.

The product of its digits is 7085880, while the sum is 55.

The spelling of 39539963413 in words is "thirty-nine billion, five hundred thirty-nine million, nine hundred sixty-three thousand, four hundred thirteen".