1949355093 has 20 divisors (see below), whose sum is σ = 3032160928. Its totient is φ = 1113913080.

The previous prime is 1949355049. The next prime is 1949355119. The reversal of 1949355093 is 3905539491.

It is not a de Polignac number, because 1949355093 - 2¹⁴ = 1949338709 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1949355013) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 128113 + ... + 142518.

Almost surely, 2^1949355093 is an apocalyptic number.

It is an amenable number.

1949355093 is a deficient number, since it is larger than the sum of its proper divisors (1082805835).

1949355093 is an frugal number, since it uses more digits than its factorization.

1949355093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270662 (or 270641 counting only the distinct ones).

The product of its (nonzero) digits is 656100, while the sum is 48.

The square root of 1949355093 is about 44151.5015939436. The cubic root of 1949355093 is about 1249.1952351674.

It can be divided in two parts, 194935 and 5093, that added together give a triangular number (200028 = T₆₃₂).

The spelling of 1949355093 in words is "one billion, nine hundred forty-nine million, three hundred fifty-five thousand, ninety-three".