5290491397 has 4 divisors (see below), whose sum is σ = 5307724576. Its totient is φ = 5273258220.

The previous prime is 5290491389. The next prime is 5290491413. The reversal of 5290491397 is 7931940925.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 5290491397 - 2³ = 5290491389 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5290491397.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5290491337) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8616129 + ... + 8616742.

It is an arithmetic number, because the mean of its divisors is an integer number (1326931144).

Almost surely, 2^5290491397 is an apocalyptic number.

It is an amenable number.

5290491397 is a deficient number, since it is larger than the sum of its proper divisors (17233179).

5290491397 is a wasteful number, since it uses less digits than its factorization.

5290491397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17233178.

The product of its (nonzero) digits is 612360, while the sum is 49.

The square root of 5290491397 is about 72735.7642222861. The cubic root of 5290491397 is about 1742.4701118978.

The spelling of 5290491397 in words is "five billion, two hundred ninety million, four hundred ninety-one thousand, three hundred ninety-seven".