901849873 has 2 divisors, whose sum is σ = 901849874. Its totient is φ = 901849872.

The previous prime is 901849867. The next prime is 901849909. The reversal of 901849873 is 378948109.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 758616849 + 143233024 = 27543^2 + 11968^2 .

It is an emirp because it is prime and its reverse (378948109) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 901849873 - 2¹⁷ = 901718801 is a prime.

It is a super-2 number, since 2×901849873² = 1626666386860232258, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (901849843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 450924936 + 450924937.

It is an arithmetic number, because the mean of its divisors is an integer number (450924937).

Almost surely, 2^901849873 is an apocalyptic number.

It is an amenable number.

901849873 is a deficient number, since it is larger than the sum of its proper divisors (1).

901849873 is an equidigital number, since it uses as much as digits as its factorization.

901849873 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 435456, while the sum is 49.

The square root of 901849873 is about 30030.8153901955. The cubic root of 901849873 is about 966.1504255170.

The spelling of 901849873 in words is "nine hundred one million, eight hundred forty-nine thousand, eight hundred seventy-three".