1912746849 has 8 divisors (see below), whose sum is σ = 2746508352. Its totient is φ = 1177074960.

The previous prime is 1912746821. The next prime is 1912746877. The reversal of 1912746849 is 9486472191.

It is an interprime number because it is at equal distance from previous prime (1912746821) and next prime (1912746877).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1912746849 - 2⁵ = 1912746817 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1912746149) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24522357 + ... + 24522434.

It is an arithmetic number, because the mean of its divisors is an integer number (343313544).

Almost surely, 2^1912746849 is an apocalyptic number.

It is an amenable number.

1912746849 is a deficient number, since it is larger than the sum of its proper divisors (833761503).

1912746849 is a wasteful number, since it uses less digits than its factorization.

1912746849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49044807.

The product of its digits is 870912, while the sum is 51.

The square root of 1912746849 is about 43734.9614038929. The cubic root of 1912746849 is about 1241.3259422589.

The spelling of 1912746849 in words is "one billion, nine hundred twelve million, seven hundred forty-six thousand, eight hundred forty-nine".