211450664435 has 16 divisors (see below), whose sum is σ = 260453990592. Its totient is φ = 164739984000.

The previous prime is 211450664393. The next prime is 211450664567. The reversal of 211450664435 is 534466054112.

It is not a de Polignac number, because 211450664435 - 2⁸ = 211450664179 is a prime.

It is a super-2 number, since 2×211450664435² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 211450664392 and 211450664401.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3401279 + ... + 3462888.

It is an arithmetic number, because the mean of its divisors is an integer number (16278374412).

Almost surely, 2^211450664435 is an apocalyptic number.

211450664435 is a deficient number, since it is larger than the sum of its proper divisors (49003326157).

211450664435 is a wasteful number, since it uses less digits than its factorization.

211450664435 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6864334.

The product of its (nonzero) digits is 345600, while the sum is 41.

The spelling of 211450664435 in words is "two hundred eleven billion, four hundred fifty million, six hundred sixty-four thousand, four hundred thirty-five".