1870616349 has 80 divisors (see below), whose sum is σ = 3323058816. Its totient is φ = 1026432000.

The previous prime is 1870616333. The next prime is 1870616359. The reversal of 1870616349 is 9436160781.

It is a happy number.

1870616349 is a `hidden beast` number, since 1 + 8 + 7 + 0 + 6 + 1 + 634 + 9 = 666.

It is not a de Polignac number, because 1870616349 - 2⁴ = 1870616333 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1870616359) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 1556949 + ... + 1558149.

Almost surely, 2^1870616349 is an apocalyptic number.

It is an amenable number.

1870616349 is a deficient number, since it is larger than the sum of its proper divisors (1452442467).

1870616349 is a wasteful number, since it uses less digits than its factorization.

1870616349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1328 (or 1319 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The square root of 1870616349 is about 43250.6225273117. The cubic root of 1870616349 is about 1232.1443083494.

The spelling of 1870616349 in words is "one billion, eight hundred seventy million, six hundred sixteen thousand, three hundred forty-nine".