7423312898 has 4 divisors (see below), whose sum is σ = 11134969350. Its totient is φ = 3711656448.

The previous prime is 7423312877. The next prime is 7423312909. The reversal of 7423312898 is 8982133247.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8982133247 = 281 ⋅31964887.

It can be written as a sum of positive squares in only one way, i.e., 4297720249 + 3125592649 = 65557^2 + 55907^2 .

It is a super-2 number, since 2×7423312898² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1855828223 + ... + 1855828226.

Almost surely, 2^7423312898 is an apocalyptic number.

7423312898 is a deficient number, since it is larger than the sum of its proper divisors (3711656452).

7423312898 is a wasteful number, since it uses less digits than its factorization.

7423312898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3711656451.

The product of its digits is 580608, while the sum is 47.

The square root of 7423312898 is about 86158.6495831962. The cubic root of 7423312898 is about 1950.7393994594.

The spelling of 7423312898 in words is "seven billion, four hundred twenty-three million, three hundred twelve thousand, eight hundred ninety-eight".