1409553494 has 16 divisors (see below), whose sum is σ = 2226739200. Its totient is φ = 667344744.

The previous prime is 1409553493. The next prime is 1409553527. The reversal of 1409553494 is 4943559041.

It is a super-3 number, since 3×1409553494³ (a number of 28 digits) contains 333 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1409553493) 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, 76799 + ... + 93365.

It is an arithmetic number, because the mean of its divisors is an integer number (139171200).

Almost surely, 2^1409553494 is an apocalyptic number.

1409553494 is a deficient number, since it is larger than the sum of its proper divisors (817185706).

1409553494 is a wasteful number, since it uses less digits than its factorization.

1409553494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18827.

The product of its (nonzero) digits is 388800, while the sum is 44.

The square root of 1409553494 is about 37544.0207489821. The cubic root of 1409553494 is about 1121.2277920490.

The spelling of 1409553494 in words is "one billion, four hundred nine million, five hundred fifty-three thousand, four hundred ninety-four".