1481961169 has 24 divisors (see below), whose sum is σ = 1666289664. Its totient is φ = 1316016000.

The previous prime is 1481961167. The next prime is 1481961197. The reversal of 1481961169 is 9611691841.

It is not a de Polignac number, because 1481961169 - 2¹ = 1481961167 is a prime.

It is a super-2 number, since 2×1481961169² = 4392417812847693122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1481961163) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 999909 + ... + 1001389.

It is an arithmetic number, because the mean of its divisors is an integer number (69428736).

Almost surely, 2^1481961169 is an apocalyptic number.

It is an amenable number.

1481961169 is a deficient number, since it is larger than the sum of its proper divisors (184328495).

1481961169 is a wasteful number, since it uses less digits than its factorization.

1481961169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1729 (or 1716 counting only the distinct ones).

The product of its digits is 93312, while the sum is 46.

The square root of 1481961169 is about 38496.2487653018. The cubic root of 1481961169 is about 1140.1069892918.

The spelling of 1481961169 in words is "one billion, four hundred eighty-one million, nine hundred sixty-one thousand, one hundred sixty-nine".