1000211432409 has 40 divisors (see below), whose sum is σ = 1781835158400. Its totient is φ = 546699409344.

The previous prime is 1000211432359. The next prime is 1000211432419. The reversal of 1000211432409 is 9042341120001.

It is a happy number.

1000211432409 is a `hidden beast` number, since 1 + 0 + 0 + 0 + 211 + 43 + 2 + 409 = 666.

It is not a de Polignac number, because 1000211432409 - 2¹⁹ = 1000210908121 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (1000211432419) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 38335684 + ... + 38361765.

It is an arithmetic number, because the mean of its divisors is an integer number (44545878960).

Almost surely, 2^{1000211432409} is an apocalyptic number.

It is an amenable number.

1000211432409 is a deficient number, since it is larger than the sum of its proper divisors (781623725991).

1000211432409 is an equidigital number, since it uses as much as digits as its factorization.

1000211432409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76697491 (or 76697482 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The spelling of 1000211432409 in words is "one trillion, two hundred eleven million, four hundred thirty-two thousand, four hundred nine".