1949355087 has 16 divisors (see below), whose sum is σ = 2716039680. Its totient is φ = 1241282592.

The previous prime is 1949355049. The next prime is 1949355119. The reversal of 1949355087 is 7805539491.

It is not a de Polignac number, because 1949355087 - 2⁷ = 1949354959 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1949355887) 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, 28998 + ... + 68844.

It is an arithmetic number, because the mean of its divisors is an integer number (169752480).

Almost surely, 2^1949355087 is an apocalyptic number.

1949355087 is a deficient number, since it is larger than the sum of its proper divisors (766684593).

1949355087 is a wasteful number, since it uses less digits than its factorization.

1949355087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40582.

The product of its (nonzero) digits is 1360800, while the sum is 51.

The square root of 1949355087 is about 44151.5015259957. The cubic root of 1949355087 is about 1249.1952338857.

The spelling of 1949355087 in words is "one billion, nine hundred forty-nine million, three hundred fifty-five thousand, eighty-seven".