206737421484 has 24 divisors (see below), whose sum is σ = 526240709568. Its totient is φ = 62647703440.

The previous prime is 206737421483. The next prime is 206737421533. The reversal of 206737421484 is 484124737602.

It is a super-2 number, since 2×206737421484² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (206737421483) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 783096162 + ... + 783096425.

It is an arithmetic number, because the mean of its divisors is an integer number (21926696232).

Almost surely, 2^206737421484 is an apocalyptic number.

It is an amenable number.

206737421484 is an abundant number, since it is smaller than the sum of its proper divisors (319503288084).

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

206737421484 is a wasteful number, since it uses less digits than its factorization.

206737421484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1566192605 (or 1566192603 counting only the distinct ones).

The product of its (nonzero) digits is 1806336, while the sum is 48.

The spelling of 206737421484 in words is "two hundred six billion, seven hundred thirty-seven million, four hundred twenty-one thousand, four hundred eighty-four".