7241646394 has 4 divisors (see below), whose sum is σ = 10862469594. Its totient is φ = 3620823196.

The previous prime is 7241646359. The next prime is 7241646457. The reversal of 7241646394 is 4936461427.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4936461427 = 251 ⋅19667177.

It can be written as a sum of positive squares in only one way, i.e., 5046255369 + 2195391025 = 71037^2 + 46855^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 1810411597 + ... + 1810411600.

Almost surely, 2^7241646394 is an apocalyptic number.

7241646394 is a deficient number, since it is larger than the sum of its proper divisors (3620823200).

7241646394 is a wasteful number, since it uses less digits than its factorization.

7241646394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3620823199.

The product of its digits is 870912, while the sum is 46.

The square root of 7241646394 is about 85097.8636277081. The cubic root of 7241646394 is about 1934.6946834033.

The spelling of 7241646394 in words is "seven billion, two hundred forty-one million, six hundred forty-six thousand, three hundred ninety-four".