1009913481 has 8 divisors (see below), whose sum is σ = 1496168160. Its totient is φ = 673275636.

The previous prime is 1009913467. The next prime is 1009913491. The reversal of 1009913481 is 1843199001.

It is not a de Polignac number, because 1009913481 - 2¹¹ = 1009911433 is a prime.

It is a super-2 number, since 2×1009913481² = 2039850478211074722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1009913461) 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 in 7 ways as a sum of consecutive naturals, for example, 18702075 + ... + 18702128.

It is an arithmetic number, because the mean of its divisors is an integer number (187021020).

Almost surely, 2^1009913481 is an apocalyptic number.

It is an amenable number.

1009913481 is a deficient number, since it is larger than the sum of its proper divisors (486254679).

1009913481 is an equidigital number, since it uses as much as digits as its factorization.

1009913481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37404212 (or 37404206 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 36.

The square root of 1009913481 is about 31779.1359385368. The cubic root of 1009913481 is about 1003.2936337337.

The spelling of 1009913481 in words is "one billion, nine million, nine hundred thirteen thousand, four hundred eighty-one".