901868481 has 12 divisors (see below), whose sum is σ = 1314228708. Its totient is φ = 595924224.

The previous prime is 901868453. The next prime is 901868509. The reversal of 901868481 is 184868109.

901868481 is a `hidden beast` number, since 90 + 1 + 86 + 8 + 481 = 666.

901868481 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (901868453) and next prime (901868509).

It can be written as a sum of positive squares in 2 ways, for example, as 9054081 + 892814400 = 3009^2 + 29880^2 .

It is not a de Polignac number, because 901868481 - 2⁵ = 901868449 is a prime.

It is a super-2 number, since 2×901868481² = 1626733514042494722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (901868381) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 442380 + ... + 444413.

It is an arithmetic number, because the mean of its divisors is an integer number (109519059).

Almost surely, 2^901868481 is an apocalyptic number.

It is an amenable number.

901868481 is a deficient number, since it is larger than the sum of its proper divisors (412360227).

901868481 is a wasteful number, since it uses less digits than its factorization.

901868481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 886912 (or 886909 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 45.

The square root of 901868481 is about 30031.1252036949. The cubic root of 901868481 is about 966.1570703788.

The spelling of 901868481 in words is "nine hundred one million, eight hundred sixty-eight thousand, four hundred eighty-one".