409493641948 has 24 divisors (see below), whose sum is σ = 743693212080. Its totient is φ = 197054981760.

The previous prime is 409493641933. The next prime is 409493641957. The reversal of 409493641948 is 849146394904.

It is a super-3 number, since 3×409493641948³ (a number of 36 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5602858 + ... + 5675473.

It is an arithmetic number, because the mean of its divisors is an integer number (30987217170).

Almost surely, 2^409493641948 is an apocalyptic number.

It is an amenable number.

409493641948 is a deficient number, since it is larger than the sum of its proper divisors (334199570132).

409493641948 is a wasteful number, since it uses less digits than its factorization.

409493641948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11278677 (or 11278675 counting only the distinct ones).

The product of its (nonzero) digits is 26873856, while the sum is 61.

The spelling of 409493641948 in words is "four hundred nine billion, four hundred ninety-three million, six hundred forty-one thousand, nine hundred forty-eight".