20974141463 has 8 divisors (see below), whose sum is σ = 23367709440. Its totient is φ = 18661711480.

The previous prime is 20974141427. The next prime is 20974141499. The reversal of 20974141463 is 36414147902.

It is an interprime number because it is at equal distance from previous prime (20974141427) and next prime (20974141499).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20974141463 - 2¹² = 20974137367 is a prime.

It is a super-2 number, since 2×20974141463² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20974141463.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20974141963) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20283953 + ... + 20284986.

It is an arithmetic number, because the mean of its divisors is an integer number (2920963680).

Almost surely, 2^20974141463 is an apocalyptic number.

20974141463 is a deficient number, since it is larger than the sum of its proper divisors (2393567977).

20974141463 is a wasteful number, since it uses less digits than its factorization.

20974141463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40568997.

The product of its (nonzero) digits is 145152, while the sum is 41.

The spelling of 20974141463 in words is "twenty billion, nine hundred seventy-four million, one hundred forty-one thousand, four hundred sixty-three".