213451053435 has 24 divisors (see below), whose sum is σ = 376252709040. Its totient is φ = 111911059392.

The previous prime is 213451053433. The next prime is 213451053481. The reversal of 213451053435 is 534350154312.

213451053435 is a `hidden beast` number, since 2 + 134 + 510 + 5 + 3 + 4 + 3 + 5 = 666.

It is not a de Polignac number, because 213451053435 - 2¹ = 213451053433 is a prime.

It is a super-2 number, since 2×213451053435² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 213451053435.

It is not an unprimeable number, because it can be changed into a prime (213451053433) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 40195284 + ... + 40200593.

It is an arithmetic number, because the mean of its divisors is an integer number (15677196210).

Almost surely, 2^213451053435 is an apocalyptic number.

213451053435 is a deficient number, since it is larger than the sum of its proper divisors (162801655605).

213451053435 is a wasteful number, since it uses less digits than its factorization.

213451053435 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80395947 (or 80395944 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 36.

The spelling of 213451053435 in words is "two hundred thirteen billion, four hundred fifty-one million, fifty-three thousand, four hundred thirty-five".