5619438397 has 4 divisors (see below), whose sum is σ = 5631954300. Its totient is φ = 5606922496.

The previous prime is 5619438371. The next prime is 5619438403. The reversal of 5619438397 is 7938349165.

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

It can be written as a sum of positive squares in 2 ways, for example, as 4589927001 + 1029511396 = 67749^2 + 32086^2 .

It is a cyclic number.

It is not a de Polignac number, because 5619438397 - 2³¹ = 3471954749 is a prime.

It is a super-3 number, since 3×5619438397³ (a number of 30 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5619438317) 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, 6257278 + ... + 6258175.

It is an arithmetic number, because the mean of its divisors is an integer number (1407988575).

Almost surely, 2^5619438397 is an apocalyptic number.

It is an amenable number.

5619438397 is a deficient number, since it is larger than the sum of its proper divisors (12515903).

5619438397 is a wasteful number, since it uses less digits than its factorization.

5619438397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12515902.

The product of its digits is 4898880, while the sum is 55.

The square root of 5619438397 is about 74962.9134772655. The cubic root of 5619438397 is about 1777.8603247858.

The spelling of 5619438397 in words is "five billion, six hundred nineteen million, four hundred thirty-eight thousand, three hundred ninety-seven".