213786429340 has 48 divisors (see below), whose sum is σ = 491176877184. Its totient is φ = 77516456000.

The previous prime is 213786429317. The next prime is 213786429347. The reversal of 213786429340 is 43924687312.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213786429347) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1323886 + ... + 1476565.

It is an arithmetic number, because the mean of its divisors is an integer number (10232851608).

Almost surely, 2^213786429340 is an apocalyptic number.

213786429340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

213786429340 is an abundant number, since it is smaller than the sum of its proper divisors (277390447844).

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

213786429340 is a wasteful number, since it uses less digits than its factorization.

213786429340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2800818 (or 2800816 counting only the distinct ones).

The product of its (nonzero) digits is 1741824, while the sum is 49.

The spelling of 213786429340 in words is "two hundred thirteen billion, seven hundred eighty-six million, four hundred twenty-nine thousand, three hundred forty".