409619549454 has 16 divisors (see below), whose sum is σ = 819246700800. Its totient is φ = 136538582840.

The previous prime is 409619549431. The next prime is 409619549477. The reversal of 409619549454 is 454945916904.

It is an interprime number because it is at equal distance from previous prime (409619549431) and next prime (409619549477).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 578299 + ... + 1074089.

It is an arithmetic number, because the mean of its divisors is an integer number (51202918800).

Almost surely, 2^409619549454 is an apocalyptic number.

409619549454 is an abundant number, since it is smaller than the sum of its proper divisors (409627151346).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

409619549454 is a wasteful number, since it uses less digits than its factorization.

409619549454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 633495.

The product of its (nonzero) digits is 27993600, while the sum is 60.

The spelling of 409619549454 in words is "four hundred nine billion, six hundred nineteen million, five hundred forty-nine thousand, four hundred fifty-four".