841497901 has 4 divisors (see below), whose sum is σ = 870515100. Its totient is φ = 812480704.

The previous prime is 841497887. The next prime is 841497929. The reversal of 841497901 is 109794148.

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

It can be written as a sum of positive squares in 2 ways, for example, as 183575401 + 657922500 = 13549^2 + 25650^2 .

It is not a de Polignac number, because 841497901 - 2²⁹ = 304626989 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 (841497961) 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, 14508556 + ... + 14508613.

It is an arithmetic number, because the mean of its divisors is an integer number (217628775).

Almost surely, 2^841497901 is an apocalyptic number.

It is an amenable number.

841497901 is a deficient number, since it is larger than the sum of its proper divisors (29017199).

841497901 is a wasteful number, since it uses less digits than its factorization.

841497901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29017198.

The product of its (nonzero) digits is 72576, while the sum is 43.

The square root of 841497901 is about 29008.5832297960. The cubic root of 841497901 is about 944.0993073523.

The spelling of 841497901 in words is "eight hundred forty-one million, four hundred ninety-seven thousand, nine hundred one".