1949313130 has 32 divisors (see below), whose sum is σ = 3553078608. Its totient is φ = 769920000.

The previous prime is 1949313127. The next prime is 1949313169. The reversal of 1949313130 is 313139491.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 1933448841 + 15864289 = 43971^2 + 3983^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 402604 + ... + 407416.

Almost surely, 2^1949313130 is an apocalyptic number.

1949313130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1949313130 is a deficient number, since it is larger than the sum of its proper divisors (1603765478).

1949313130 is a wasteful number, since it uses less digits than its factorization.

1949313130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5322.

The product of its (nonzero) digits is 8748, while the sum is 34.

The square root of 1949313130 is about 44151.0263753857. The cubic root of 1949313130 is about 1249.1862714583.

It can be divided in two parts, 19493 and 13130, that added together give a palindrome (32623).

The spelling of 1949313130 in words is "one billion, nine hundred forty-nine million, three hundred thirteen thousand, one hundred thirty".