3949662562559 has 32 divisors (see below), whose sum is σ = 4593030021120. Its totient is φ = 3326741010432.

The previous prime is 3949662562523. The next prime is 3949662562597. The reversal of 3949662562559 is 9552652669493.

It is not a de Polignac number, because 3949662562559 - 2²⁸ = 3949394127103 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3949662562492 and 3949662562501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3949662564559) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 39240872 + ... + 39341394.

It is an arithmetic number, because the mean of its divisors is an integer number (143532188160).

Almost surely, 2^{3949662562559} is an apocalyptic number.

3949662562559 is a deficient number, since it is larger than the sum of its proper divisors (643367458561).

3949662562559 is a wasteful number, since it uses less digits than its factorization.

3949662562559 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101079.

The product of its digits is 944784000, while the sum is 71.

The spelling of 3949662562559 in words is "three trillion, nine hundred forty-nine billion, six hundred sixty-two million, five hundred sixty-two thousand, five hundred fifty-nine".