21949316095 has 8 divisors (see below), whose sum is σ = 30101919264. Its totient is φ = 15050959584.

The previous prime is 21949316071. The next prime is 21949316119. The reversal of 21949316095 is 59061394912.

It is an interprime number because it is at equal distance from previous prime (21949316071) and next prime (21949316119).

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 21949316095 - 2⁷ = 21949315967 is a prime.

It is a Duffinian number.

It is a congruent 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, 313561624 + ... + 313561693.

It is an arithmetic number, because the mean of its divisors is an integer number (3762739908).

Almost surely, 2^21949316095 is an apocalyptic number.

21949316095 is a deficient number, since it is larger than the sum of its proper divisors (8152603169).

21949316095 is an equidigital number, since it uses as much as digits as its factorization.

21949316095 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 627123329.

The product of its (nonzero) digits is 524880, while the sum is 49.

The spelling of 21949316095 in words is "twenty-one billion, nine hundred forty-nine million, three hundred sixteen thousand, ninety-five".