901849867 has 2 divisors, whose sum is σ = 901849868. Its totient is φ = 901849866.

The previous prime is 901849843. The next prime is 901849873. The reversal of 901849867 is 768948109.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 901849867 - 2¹¹ = 901847819 is a prime.

It is not a weakly prime, because it can be changed into another prime (901841867) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 450924933 + 450924934.

It is an arithmetic number, because the mean of its divisors is an integer number (450924934).

Almost surely, 2^901849867 is an apocalyptic number.

901849867 is a deficient number, since it is larger than the sum of its proper divisors (1).

901849867 is an equidigital number, since it uses as much as digits as its factorization.

901849867 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 870912, while the sum is 52.

The square root of 901849867 is about 30030.8152902981. The cubic root of 901849867 is about 966.1504233744.

It can be divided in two parts, 9018 and 49867, that added together give a palindrome (58885).

The spelling of 901849867 in words is "nine hundred one million, eight hundred forty-nine thousand, eight hundred sixty-seven".