21193500040083 has 40 divisors (see below), whose sum is σ = 36184995466752. Its totient is φ = 12109636156464.

The previous prime is 21193500040073. The next prime is 21193500040093. The reversal of 21193500040083 is 38004000539112.

21193500040083 is a `hidden beast` number, since 21 + 1 + 93 + 500 + 0 + 40 + 0 + 8 + 3 = 666.

It is an interprime number because it is at equal distance from previous prime (21193500040073) and next prime (21193500040093).

It is not a de Polignac number, because 21193500040083 - 2¹² = 21193500035987 is a prime.

It is not an unprimeable number, because it can be changed into a prime (21193500040073) 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, 5938116 + ... + 8811822.

Almost surely, 2^{21193500040083} is an apocalyptic number.

21193500040083 is a deficient number, since it is larger than the sum of its proper divisors (14991495426669).

21193500040083 is a wasteful number, since it uses less digits than its factorization.

21193500040083 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2886733 (or 2886724 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

Adding to 21193500040083 its reverse (38004000539112), we get a palindrome (59197500579195).

The spelling of 21193500040083 in words is "twenty-one trillion, one hundred ninety-three billion, five hundred million, forty thousand, eighty-three".