7972410919 has 4 divisors (see below), whose sum is σ = 8697175560. Its totient is φ = 7247646280.

The previous prime is 7972410907. The next prime is 7972410937. The reversal of 7972410919 is 9190142797.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9190142797 = 11 ⋅835467527.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7972410919 is a prime.

It is a super-2 number, since 2×7972410919² (a number of 21 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7972410989) 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, 362382304 + ... + 362382325.

It is an arithmetic number, because the mean of its divisors is an integer number (2174293890).

Almost surely, 2^7972410919 is an apocalyptic number.

7972410919 is a deficient number, since it is larger than the sum of its proper divisors (724764641).

7972410919 is a wasteful number, since it uses less digits than its factorization.

7972410919 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 724764640.

The product of its (nonzero) digits is 285768, while the sum is 49.

The square root of 7972410919 is about 89288.3582501101. The cubic root of 7972410919 is about 1997.6982619338.

The spelling of 7972410919 in words is "seven billion, nine hundred seventy-two million, four hundred ten thousand, nine hundred nineteen".