1792971949 has 4 divisors (see below), whose sum is σ = 1793763036. Its totient is φ = 1792180864.

The previous prime is 1792971919. The next prime is 1792971991. The reversal of 1792971949 is 9491792971.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9491792971 = 17 ⋅558340763.

It can be written as a sum of positive squares in 2 ways, for example, as 669515625 + 1123456324 = 25875^2 + 33518^2 .

It is a cyclic number.

It is not a de Polignac number, because 1792971949 - 2¹⁷ = 1792840877 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1792971893 and 1792971902.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1792971919) 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, 392134 + ... + 396679.

It is an arithmetic number, because the mean of its divisors is an integer number (448440759).

Almost surely, 2^1792971949 is an apocalyptic number.

It is an amenable number.

1792971949 is a deficient number, since it is larger than the sum of its proper divisors (791087).

1792971949 is an equidigital number, since it uses as much as digits as its factorization.

1792971949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 791086.

The product of its digits is 2571912, while the sum is 58.

The square root of 1792971949 is about 42343.4994892959. The cubic root of 1792971949 is about 1214.8551479897.

The spelling of 1792971949 in words is "one billion, seven hundred ninety-two million, nine hundred seventy-one thousand, nine hundred forty-nine".