7431430634 has 4 divisors (see below), whose sum is σ = 11147145954. Its totient is φ = 3715715316.

The previous prime is 7431430619. The next prime is 7431430691. The reversal of 7431430634 is 4360341347.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4360341347 = 4729 ⋅922043.

It can be written as a sum of positive squares in only one way, i.e., 5278749025 + 2152681609 = 72655^2 + 46397^2 .

It is a super-2 number, since 2×7431430634² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 7431430594 and 7431430603.

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 as a sum of consecutive naturals, namely, 1857857657 + ... + 1857857660.

Almost surely, 2^7431430634 is an apocalyptic number.

7431430634 is a deficient number, since it is larger than the sum of its proper divisors (3715715320).

7431430634 is a wasteful number, since it uses less digits than its factorization.

7431430634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3715715319.

The product of its (nonzero) digits is 72576, while the sum is 35.

The square root of 7431430634 is about 86205.7459453835. The cubic root of 7431430634 is about 1951.4502150057.

The spelling of 7431430634 in words is "seven billion, four hundred thirty-one million, four hundred thirty thousand, six hundred thirty-four".