7430536418 has 6 divisors (see below), whose sum is σ = 11145987489. Its totient is φ = 3715207256.

The previous prime is 7430536411. The next prime is 7430536427. The reversal of 7430536418 is 8146350347.

It can be written as a sum of positive squares in 2 ways, for example, as 6545295409 + 885241009 = 80903^2 + 29753^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=60953.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7430536411) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 91430 + ... + 152382.

Almost surely, 2^7430536418 is an apocalyptic number.

7430536418 is a deficient number, since it is larger than the sum of its proper divisors (3715451071).

7430536418 is an frugal number, since it uses more digits than its factorization.

7430536418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121908 (or 60955 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 41.

The square root of 7430536418 is about 86200.5592673273. The cubic root of 7430536418 is about 1951.3719399023.

The spelling of 7430536418 in words is "seven billion, four hundred thirty million, five hundred thirty-six thousand, four hundred eighteen".