1951538483 has 4 divisors (see below), whose sum is σ = 1952275080. Its totient is φ = 1950801888.

The previous prime is 1951538473. The next prime is 1951538497. The reversal of 1951538483 is 3848351591.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1951538483 - 2¹⁴ = 1951522099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1951538473) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 364310 + ... + 369627.

It is an arithmetic number, because the mean of its divisors is an integer number (488068770).

Almost surely, 2^1951538483 is an apocalyptic number.

1951538483 is a deficient number, since it is larger than the sum of its proper divisors (736597).

1951538483 is an equidigital number, since it uses as much as digits as its factorization.

1951538483 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 736596.

The product of its digits is 518400, while the sum is 47.

The square root of 1951538483 is about 44176.2207867536. The cubic root of 1951538483 is about 1249.6614513561.

The spelling of 1951538483 in words is "one billion, nine hundred fifty-one million, five hundred thirty-eight thousand, four hundred eighty-three".