5491320741 has 6 divisors (see below), whose sum is σ = 7931907750. Its totient is φ = 3660880488.

The previous prime is 5491320733. The next prime is 5491320763. The reversal of 5491320741 is 1470231945.

It can be written as a sum of positive squares in only one way, i.e., 2929948641 + 2561372100 = 54129^2 + 50610^2 .

It is not a de Polignac number, because 5491320741 - 2³ = 5491320733 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 5491320696 and 5491320705.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5491328741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 305073366 + ... + 305073383.

It is an arithmetic number, because the mean of its divisors is an integer number (1321984625).

Almost surely, 2^5491320741 is an apocalyptic number.

It is an amenable number.

5491320741 is a deficient number, since it is larger than the sum of its proper divisors (2440587009).

5491320741 is a wasteful number, since it uses less digits than its factorization.

5491320741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 610146755 (or 610146752 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 5491320741 is about 74103.4462154089. The cubic root of 5491320741 is about 1764.2451695038.

The spelling of 5491320741 in words is "five billion, four hundred ninety-one million, three hundred twenty thousand, seven hundred forty-one".