4991403911739 has 16 divisors (see below), whose sum is σ = 7614762227712. Its totient is φ = 2848925778048.

The previous prime is 4991403911699. The next prime is 4991403911789. The reversal of 4991403911739 is 9371193041994.

It is not a de Polignac number, because 4991403911739 - 2⁹ = 4991403911227 is a prime.

It is a super-2 number, since 2×4991403911739² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4991403911789) 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, 137690974 + ... + 137727219.

It is an arithmetic number, because the mean of its divisors is an integer number (475922639232).

Almost surely, 2^{4991403911739} is an apocalyptic number.

4991403911739 is a deficient number, since it is larger than the sum of its proper divisors (2623358315973).

4991403911739 is a wasteful number, since it uses less digits than its factorization.

4991403911739 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275419066.

The product of its (nonzero) digits is 6613488, while the sum is 60.

The spelling of 4991403911739 in words is "four trillion, nine hundred ninety-one billion, four hundred three million, nine hundred eleven thousand, seven hundred thirty-nine".