3900499453439 has 16 divisors (see below), whose sum is σ = 4015656389472. Its totient is φ = 3785865412608.

The previous prime is 3900499453373. The next prime is 3900499453481. The reversal of 3900499453439 is 9343549940093.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3900499453439 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 (3900499450439) 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, 27359927 + ... + 27502119.

It is an arithmetic number, because the mean of its divisors is an integer number (250978524342).

Almost surely, 2^{3900499453439} is an apocalyptic number.

3900499453439 is a deficient number, since it is larger than the sum of its proper divisors (115156936033).

3900499453439 is a wasteful number, since it uses less digits than its factorization.

3900499453439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144026.

The product of its (nonzero) digits is 56687040, while the sum is 62.

The spelling of 3900499453439 in words is "three trillion, nine hundred billion, four hundred ninety-nine million, four hundred fifty-three thousand, four hundred thirty-nine".