1409982129 has 6 divisors (see below), whose sum is σ = 2036640866. Its totient is φ = 939988080.

The previous prime is 1409982109. The next prime is 1409982131. The reversal of 1409982129 is 9212899041.

It can be written as a sum of positive squares in only one way, i.e., 810711729 + 599270400 = 28473^2 + 24480^2 .

It is not a de Polignac number, because 1409982129 - 2⁵ = 1409982097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1409982109) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 78332332 + ... + 78332349.

Almost surely, 2^1409982129 is an apocalyptic number.

It is an amenable number.

1409982129 is a deficient number, since it is larger than the sum of its proper divisors (626658737).

1409982129 is a wasteful number, since it uses less digits than its factorization.

1409982129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156664687 (or 156664684 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 45.

The square root of 1409982129 is about 37549.7287473558. The cubic root of 1409982129 is about 1121.3414329453.

The spelling of 1409982129 in words is "one billion, four hundred nine million, nine hundred eighty-two thousand, one hundred twenty-nine".