1409918401 has 4 divisors (see below), whose sum is σ = 1410166192. Its totient is φ = 1409670612.

The previous prime is 1409918399. The next prime is 1409918407. The reversal of 1409918401 is 1048199041.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1409918401 - 2¹ = 1409918399 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1409918407) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 115155 + ... + 126808.

It is an arithmetic number, because the mean of its divisors is an integer number (352541548).

Almost surely, 2^1409918401 is an apocalyptic number.

It is an amenable number.

1409918401 is a deficient number, since it is larger than the sum of its proper divisors (247791).

1409918401 is an equidigital number, since it uses as much as digits as its factorization.

1409918401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247790.

The product of its (nonzero) digits is 10368, while the sum is 37.

The square root of 1409918401 is about 37548.8801564041. The cubic root of 1409918401 is about 1121.3245386595.

The spelling of 1409918401 in words is "one billion, four hundred nine million, nine hundred eighteen thousand, four hundred one".