1369549401 has 16 divisors (see below), whose sum is σ = 1997291520. Its totient is φ = 827855120.

The previous prime is 1369549399. The next prime is 1369549417. The reversal of 1369549401 is 1049459631.

It is a cyclic number.

It is not a de Polignac number, because 1369549401 - 2¹ = 1369549399 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1369549471) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41541 + ... + 66818.

It is an arithmetic number, because the mean of its divisors is an integer number (124830720).

Almost surely, 2^1369549401 is an apocalyptic number.

1369549401 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1369549401 is a deficient number, since it is larger than the sum of its proper divisors (627742119).

1369549401 is a wasteful number, since it uses less digits than its factorization.

1369549401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108756.

The product of its (nonzero) digits is 116640, while the sum is 42.

The square root of 1369549401 is about 37007.4235931117. The cubic root of 1369549401 is about 1110.5187632785.

The spelling of 1369549401 in words is "one billion, three hundred sixty-nine million, five hundred forty-nine thousand, four hundred one".