213436011451 has 24 divisors (see below), whose sum is σ = 236519529984. Its totient is φ = 192429750240.

The previous prime is 213436011419. The next prime is 213436011463. The reversal of 213436011451 is 154110634312.

It is not a de Polignac number, because 213436011451 - 2⁵ = 213436011419 is a prime.

It is a super-2 number, since 2×213436011451² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213436021451) 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, 3872650 + ... + 3927376.

It is an arithmetic number, because the mean of its divisors is an integer number (9854980416).

Almost surely, 2^213436011451 is an apocalyptic number.

213436011451 is a deficient number, since it is larger than the sum of its proper divisors (23083518533).

213436011451 is a wasteful number, since it uses less digits than its factorization.

213436011451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55291 (or 55278 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 31.

Adding to 213436011451 its reverse (154110634312), we get a palindrome (367546645763).

The spelling of 213436011451 in words is "two hundred thirteen billion, four hundred thirty-six million, eleven thousand, four hundred fifty-one".