5342390381 has 4 divisors (see below), whose sum is σ = 5378245500. Its totient is φ = 5306535264.

The previous prime is 5342390377. The next prime is 5342390413. The reversal of 5342390381 is 1830932435.

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 640545481 + 4701844900 = 25309^2 + 68570^2 .

It is a cyclic number.

It is not a de Polignac number, because 5342390381 - 2² = 5342390377 is a prime.

It is a super-2 number, since 2×5342390381² = 57082269966002650322, which contains 22 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 (5342390371) 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 3 ways as a sum of consecutive naturals, for example, 17927336 + ... + 17927633.

It is an arithmetic number, because the mean of its divisors is an integer number (1344561375).

Almost surely, 2^5342390381 is an apocalyptic number.

It is an amenable number.

5342390381 is a deficient number, since it is larger than the sum of its proper divisors (35855119).

5342390381 is a wasteful number, since it uses less digits than its factorization.

5342390381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35855118.

The product of its (nonzero) digits is 77760, while the sum is 38.

The square root of 5342390381 is about 73091.6573967235. The cubic root of 5342390381 is about 1748.1493776459.

The spelling of 5342390381 in words is "five billion, three hundred forty-two million, three hundred ninety thousand, three hundred eighty-one".