21492000395 has 8 divisors (see below), whose sum is σ = 25924030656. Its totient is φ = 17104513536.

The previous prime is 21492000367. The next prime is 21492000407. The reversal of 21492000395 is 59300029412.

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 21492000395 - 2²² = 21487806091 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11134787 + ... + 11136716.

It is an arithmetic number, because the mean of its divisors is an integer number (3240503832).

Almost surely, 2^21492000395 is an apocalyptic number.

21492000395 is a deficient number, since it is larger than the sum of its proper divisors (4432030261).

21492000395 is a wasteful number, since it uses less digits than its factorization.

21492000395 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22271701.

The product of its (nonzero) digits is 19440, while the sum is 35.

The spelling of 21492000395 in words is "twenty-one billion, four hundred ninety-two million, three hundred ninety-five", and thus it is an aban number.