1949559492 has 24 divisors (see below), whose sum is σ = 4550957152. Its totient is φ = 649569600.

The previous prime is 1949559487. The next prime is 1949559509. The reversal of 1949559492 is 2949559491.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5809 + ... + 62712.

Almost surely, 2^1949559492 is an apocalyptic number.

1949559492 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1949559492 is an abundant number, since it is smaller than the sum of its proper divisors (2601397660).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1949559492 is a wasteful number, since it uses less digits than its factorization.

1949559492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70899 (or 70897 counting only the distinct ones).

The product of its digits is 5248800, while the sum is 57.

The square root of 1949559492 is about 44153.8162790036. The cubic root of 1949559492 is about 1249.2388949627.

Subtracting 1949559492 from its reverse (2949559491), we obtain a palindrome (999999999).

It can be divided in two parts, 19495 and 59492, that added together give a palindrome (78987).

The spelling of 1949559492 in words is "one billion, nine hundred forty-nine million, five hundred fifty-nine thousand, four hundred ninety-two".