5621190739 has 4 divisors (see below), whose sum is σ = 5631175656. Its totient is φ = 5611205824.

The previous prime is 5621190703. The next prime is 5621190761. The reversal of 5621190739 is 9370911265.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 5621190739 - 2¹⁷ = 5621059667 is a prime.

It is a super-2 number, since 2×5621190739² = 63195570648438732242, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5621190695 and 5621190704.

It is not an unprimeable number, because it can be changed into a prime (5621190769) 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, 4991614 + ... + 4992739.

It is an arithmetic number, because the mean of its divisors is an integer number (1407793914).

Almost surely, 2^5621190739 is an apocalyptic number.

5621190739 is a deficient number, since it is larger than the sum of its proper divisors (9984917).

5621190739 is an equidigital number, since it uses as much as digits as its factorization.

5621190739 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9984916.

The product of its (nonzero) digits is 102060, while the sum is 43.

The square root of 5621190739 is about 74974.6006258119. The cubic root of 5621190739 is about 1778.0451057384.

The spelling of 5621190739 in words is "five billion, six hundred twenty-one million, one hundred ninety thousand, seven hundred thirty-nine".