1952137490 has 32 divisors (see below), whose sum is σ = 3540242160. Its totient is φ = 775008000.

The previous prime is 1952137483. The next prime is 1952137511. The reversal of 1952137490 is 947312591.

It is a Cunningham number, because it is equal to 44183²+1.

It can be written as a sum of positive squares in 8 ways, for example, as 3003289 + 1949134201 = 1733^2 + 44149^2 .

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1499840 + ... + 1501140.

Almost surely, 2^1952137490 is an apocalyptic number.

1952137490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1952137490 is a deficient number, since it is larger than the sum of its proper divisors (1588104670).

1952137490 is a wasteful number, since it uses less digits than its factorization.

1952137490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2318.

The product of its (nonzero) digits is 68040, while the sum is 41.

The square root of 1952137490 is about 44183.0000113166. Note that the first 4 decimals coincide. The cubic root of 1952137490 is about 1249.7892956849.

The spelling of 1952137490 in words is "one billion, nine hundred fifty-two million, one hundred thirty-seven thousand, four hundred ninety".