409649280767 has 8 divisors (see below), whose sum is σ = 410506314624. Its totient is φ = 408792417048.

The previous prime is 409649280751. The next prime is 409649280809. The reversal of 409649280767 is 767082946904.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 409649280767 - 2⁴ = 409649280751 is a prime.

It is a super-2 number, since 2×409649280767² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (409649180767) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5538008 + ... + 5611490.

It is an arithmetic number, because the mean of its divisors is an integer number (51313289328).

Almost surely, 2^409649280767 is an apocalyptic number.

409649280767 is a deficient number, since it is larger than the sum of its proper divisors (857033857).

409649280767 is a wasteful number, since it uses less digits than its factorization.

409649280767 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85069.

The product of its (nonzero) digits is 36578304, while the sum is 62.

The spelling of 409649280767 in words is "four hundred nine billion, six hundred forty-nine million, two hundred eighty thousand, seven hundred sixty-seven".