1849129401 has 32 divisors (see below), whose sum is σ = 2850693120. Its totient is φ = 1044336384.

The previous prime is 1849129351. The next prime is 1849129421. The reversal of 1849129401 is 1049219481.

It is not a de Polignac number, because 1849129401 - 2⁷ = 1849129273 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1849129401.

It is not an unprimeable number, because it can be changed into a prime (1849129421) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1050360 + ... + 1052118.

It is an arithmetic number, because the mean of its divisors is an integer number (89084160).

Almost surely, 2^1849129401 is an apocalyptic number.

It is an amenable number.

1849129401 is a deficient number, since it is larger than the sum of its proper divisors (1001563719).

1849129401 is a wasteful number, since it uses less digits than its factorization.

1849129401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2325.

The product of its (nonzero) digits is 20736, while the sum is 39.

The square root of 1849129401 is about 43001.5046364659. The cubic root of 1849129401 is about 1227.4084287294.

The spelling of 1849129401 in words is "one billion, eight hundred forty-nine million, one hundred twenty-nine thousand, four hundred one".