5340079681 has 2 divisors, whose sum is σ = 5340079682. Its totient is φ = 5340079680.

The previous prime is 5340079631. The next prime is 5340079697. The reversal of 5340079681 is 1869700435.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3511747600 + 1828332081 = 59260^2 + 42759^2 .

It is a cyclic number.

It is not a de Polignac number, because 5340079681 - 2¹⁹ = 5339555393 is a prime.

It is a super-2 number, since 2×5340079681² = 57032901998858123522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (5340079631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2670039840 + 2670039841.

It is an arithmetic number, because the mean of its divisors is an integer number (2670039841).

Almost surely, 2^5340079681 is an apocalyptic number.

It is an amenable number.

5340079681 is a deficient number, since it is larger than the sum of its proper divisors (1).

5340079681 is an equidigital number, since it uses as much as digits as its factorization.

5340079681 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 181440, while the sum is 43.

The square root of 5340079681 is about 73075.8488216182. The cubic root of 5340079681 is about 1747.8973037613.

The spelling of 5340079681 in words is "five billion, three hundred forty million, seventy-nine thousand, six hundred eighty-one".