1875968249 has 4 divisors (see below), whose sum is σ = 1974703440. Its totient is φ = 1777233060.

The previous prime is 1875968233. The next prime is 1875968279. The reversal of 1875968249 is 9428695781.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 9428695781 = 223 ⋅42281147.

It is a cyclic number.

It is not a de Polignac number, because 1875968249 - 2⁴ = 1875968233 is a prime.

It is a super-2 number, since 2×1875968249² = 7038513742512252002, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1875968209) 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, 49367567 + ... + 49367604.

It is an arithmetic number, because the mean of its divisors is an integer number (493675860).

Almost surely, 2^1875968249 is an apocalyptic number.

1875968249 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

1875968249 is a deficient number, since it is larger than the sum of its proper divisors (98735191).

1875968249 is an equidigital number, since it uses as much as digits as its factorization.

1875968249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98735190.

The product of its digits is 8709120, while the sum is 59.

The square root of 1875968249 is about 43312.4491226252. The cubic root of 1875968249 is about 1233.3182590723.

The spelling of 1875968249 in words is "one billion, eight hundred seventy-five million, nine hundred sixty-eight thousand, two hundred forty-nine".