2698530431 has 8 divisors (see below), whose sum is σ = 2720127600. Its totient is φ = 2677006080.

The previous prime is 2698530421. The next prime is 2698530437. The reversal of 2698530431 is 1340358962.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2698530431 is a prime.

It is a super-2 number, since 2×2698530431² = 14564132974066091522, 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 (2698530437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57455 + ... + 93263.

It is an arithmetic number, because the mean of its divisors is an integer number (340015950).

Almost surely, 2^2698530431 is an apocalyptic number.

2698530431 is a deficient number, since it is larger than the sum of its proper divisors (21597169).

2698530431 is a wasteful number, since it uses less digits than its factorization.

2698530431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36409.

The product of its (nonzero) digits is 155520, while the sum is 41.

The square root of 2698530431 is about 51947.3813680728. The cubic root of 2698530431 is about 1392.2239696030.

The spelling of 2698530431 in words is "two billion, six hundred ninety-eight million, five hundred thirty thousand, four hundred thirty-one".