7899464973 has 4 divisors (see below), whose sum is σ = 10532619968. Its totient is φ = 5266309980.

The previous prime is 7899464971. The next prime is 7899465031. The reversal of 7899464973 is 3794649987.

7899464973 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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: 3794649987 = 3 ⋅1264883329.

It is not a de Polignac number, because 7899464973 - 2¹ = 7899464971 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7899464971) 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, 1316577493 + ... + 1316577498.

It is an arithmetic number, because the mean of its divisors is an integer number (2633154992).

Almost surely, 2^7899464973 is an apocalyptic number.

It is an amenable number.

7899464973 is a deficient number, since it is larger than the sum of its proper divisors (2633154995).

7899464973 is a wasteful number, since it uses less digits than its factorization.

7899464973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2633154994.

The product of its digits is 82301184, while the sum is 66.

The square root of 7899464973 is about 88878.9343601733. The cubic root of 7899464973 is about 1991.5867392312.

The spelling of 7899464973 in words is "seven billion, eight hundred ninety-nine million, four hundred sixty-four thousand, nine hundred seventy-three".