213253436156430 has 64 divisors (see below), whose sum is σ = 520408281558528. Its totient is φ = 55916318209920.

The previous prime is 213253436156413. The next prime is 213253436156479. The reversal of 213253436156430 is 34651634352312.

It is a super-2 number, since 2×213253436156430² (a number of 29 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 213253436156430.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 133413264 + ... + 135002243.

It is an arithmetic number, because the mean of its divisors is an integer number (8131379399352).

Almost surely, 2^{213253436156430} is an apocalyptic number.

213253436156430 is an abundant number, since it is smaller than the sum of its proper divisors (307154845402098).

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

213253436156430 is a wasteful number, since it uses less digits than its factorization.

213253436156430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268415961.

The product of its (nonzero) digits is 4665600, while the sum is 48.

The spelling of 213253436156430 in words is "two hundred thirteen trillion, two hundred fifty-three billion, four hundred thirty-six million, one hundred fifty-six thousand, four hundred thirty".