1146983409 has 40 divisors (see below), whose sum is σ = 2012959872. Its totient is φ = 641662560.

The previous prime is 1146983407. The next prime is 1146983417. The reversal of 1146983409 is 9043896411.

It is not a de Polignac number, because 1146983409 - 2¹ = 1146983407 is a prime.

It is a super-2 number, since 2×1146983409² = 2631141881042522562, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1146983401) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 37929 + ... + 61094.

Almost surely, 2^1146983409 is an apocalyptic number.

It is an amenable number.

1146983409 is a deficient number, since it is larger than the sum of its proper divisors (865976463).

1146983409 is a wasteful number, since it uses less digits than its factorization.

1146983409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99059 (or 99050 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 45.

The square root of 1146983409 is about 33867.1435022206. The cubic root of 1146983409 is about 1046.7726782940.

The spelling of 1146983409 in words is "one billion, one hundred forty-six million, nine hundred eighty-three thousand, four hundred nine".