5263742690 has 8 divisors (see below), whose sum is σ = 9474736860. Its totient is φ = 2105497072.

The previous prime is 5263742683. The next prime is 5263742719. The reversal of 5263742690 is 962473625.

It can be written as a sum of positive squares in 2 ways, for example, as 5063887921 + 199854769 = 71161^2 + 14137^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×5263742690² = 55413974213056872200, which contains 22 as substring.

It is an unprimeable number.

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, 263187125 + ... + 263187144.

Almost surely, 2^5263742690 is an apocalyptic number.

5263742690 is a deficient number, since it is larger than the sum of its proper divisors (4210994170).

5263742690 is a wasteful number, since it uses less digits than its factorization.

5263742690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 526374276.

The product of its (nonzero) digits is 544320, while the sum is 44.

The square root of 5263742690 is about 72551.6553222599. The cubic root of 5263742690 is about 1739.5285076929.

The spelling of 5263742690 in words is "five billion, two hundred sixty-three million, seven hundred forty-two thousand, six hundred ninety".