21963119037 has 16 divisors (see below), whose sum is σ = 30640680960. Its totient is φ = 13967289072.

The previous prime is 21963119023. The next prime is 21963119039. The reversal of 21963119037 is 73091136912.

It is not a de Polignac number, because 21963119037 - 2¹⁶ = 21963053501 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 21963119037.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21963119039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 408337 + ... + 458982.

It is an arithmetic number, because the mean of its divisors is an integer number (1915042560).

Almost surely, 2^21963119037 is an apocalyptic number.

It is an amenable number.

21963119037 is a deficient number, since it is larger than the sum of its proper divisors (8677561923).

21963119037 is a wasteful number, since it uses less digits than its factorization.

21963119037 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 867712.

The product of its (nonzero) digits is 61236, while the sum is 42.

The spelling of 21963119037 in words is "twenty-one billion, nine hundred sixty-three million, one hundred nineteen thousand, thirty-seven".