21452150263 has 8 divisors (see below), whose sum is σ = 22081093632. Its totient is φ = 20830395096.

The previous prime is 21452150261. The next prime is 21452150267. The reversal of 21452150263 is 36205125412.

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 21452150263 - 2¹ = 21452150261 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21452150261) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1790995 + ... + 1802932.

It is an arithmetic number, because the mean of its divisors is an integer number (2760136704).

Almost surely, 2^21452150263 is an apocalyptic number.

21452150263 is a deficient number, since it is larger than the sum of its proper divisors (628943369).

21452150263 is a wasteful number, since it uses less digits than its factorization.

21452150263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3594101.

The product of its (nonzero) digits is 14400, while the sum is 31.

Adding to 21452150263 its reverse (36205125412), we get a palindrome (57657275675).

The spelling of 21452150263 in words is "twenty-one billion, four hundred fifty-two million, one hundred fifty thousand, two hundred sixty-three".