4218729534 has 32 divisors (see below), whose sum is σ = 9402013440. Its totient is φ = 1402184376.

The previous prime is 4218729521. The next prime is 4218729551. The reversal of 4218729534 is 4359278124.

4218729534 is a `hidden beast` number, since 42 + 1 + 8 + 72 + 9 + 534 = 666.

It is a super-3 number, since 3×4218729534³ (a number of 30 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 4218729534.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 93834 + ... + 131309.

It is an arithmetic number, because the mean of its divisors is an integer number (293812920).

Almost surely, 2^4218729534 is an apocalyptic number.

4218729534 is an abundant number, since it is smaller than the sum of its proper divisors (5183283906).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4218729534 is a wasteful number, since it uses less digits than its factorization.

4218729534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225501 (or 225495 counting only the distinct ones).

The product of its digits is 483840, while the sum is 45.

The square root of 4218729534 is about 64951.7477363004. The cubic root of 4218729534 is about 1615.8234046213.

The spelling of 4218729534 in words is "four billion, two hundred eighteen million, seven hundred twenty-nine thousand, five hundred thirty-four".