948411691 has 4 divisors (see below), whose sum is σ = 1004200632. Its totient is φ = 892622752.

The previous prime is 948411689. The next prime is 948411697. The reversal of 948411691 is 196114849.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 948411691 - 2¹ = 948411689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (948411697) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27894445 + ... + 27894478.

It is an arithmetic number, because the mean of its divisors is an integer number (251050158).

Almost surely, 2^948411691 is an apocalyptic number.

948411691 is a deficient number, since it is larger than the sum of its proper divisors (55788941).

948411691 is a wasteful number, since it uses less digits than its factorization.

948411691 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55788940.

The product of its digits is 62208, while the sum is 43.

The square root of 948411691 is about 30796.2934620386. The cubic root of 948411691 is about 982.4994130961.

The spelling of 948411691 in words is "nine hundred forty-eight million, four hundred eleven thousand, six hundred ninety-one".