306689137043534 has 32 divisors (see below), whose sum is σ = 536148911966976. Its totient is φ = 128863352180160.

The previous prime is 306689137043467. The next prime is 306689137043579. The reversal of 306689137043534 is 435340731986603.

It is a super-2 number, since 2×306689137043534² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1007222327 + ... + 1007526770.

It is an arithmetic number, because the mean of its divisors is an integer number (16754653498968).

Almost surely, 2^{306689137043534} is an apocalyptic number.

306689137043534 is a deficient number, since it is larger than the sum of its proper divisors (229459774923442).

306689137043534 is a wasteful number, since it uses less digits than its factorization.

306689137043534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2014749320.

The product of its (nonzero) digits is 117573120, while the sum is 62.

The spelling of 306689137043534 in words is "three hundred six trillion, six hundred eighty-nine billion, one hundred thirty-seven million, forty-three thousand, five hundred thirty-four".