1409111357 has 2 divisors, whose sum is σ = 1409111358. Its totient is φ = 1409111356.

The previous prime is 1409111309. The next prime is 1409111377. The reversal of 1409111357 is 7531119041.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1241434756 + 167676601 = 35234^2 + 12949^2 .

It is an emirp because it is prime and its reverse (7531119041) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1409111357 - 2¹⁰ = 1409110333 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1409111377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 704555678 + 704555679.

It is an arithmetic number, because the mean of its divisors is an integer number (704555679).

Almost surely, 2^1409111357 is an apocalyptic number.

It is an amenable number.

1409111357 is a deficient number, since it is larger than the sum of its proper divisors (1).

1409111357 is an equidigital number, since it uses as much as digits as its factorization.

1409111357 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3780, while the sum is 32.

The square root of 1409111357 is about 37538.1320393010. The cubic root of 1409111357 is about 1121.1105473243.

The spelling of 1409111357 in words is "one billion, four hundred nine million, one hundred eleven thousand, three hundred fifty-seven".