21311062419 has 16 divisors (see below), whose sum is σ = 30579426720. Its totient is φ = 13152437760.

The previous prime is 21311062403. The next prime is 21311062441. The reversal of 21311062419 is 91426011312.

It is not a de Polignac number, because 21311062419 - 2⁴ = 21311062403 is a prime.

It is a super-2 number, since 2×21311062419² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (21311067419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3422004 + ... + 3428225.

It is an arithmetic number, because the mean of its divisors is an integer number (1911214170).

Almost surely, 2^21311062419 is an apocalyptic number.

21311062419 is a deficient number, since it is larger than the sum of its proper divisors (9268364301).

21311062419 is a wasteful number, since it uses less digits than its factorization.

21311062419 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6850310.

The product of its (nonzero) digits is 2592, while the sum is 30.

The spelling of 21311062419 in words is "twenty-one billion, three hundred eleven million, sixty-two thousand, four hundred nineteen".