7973272149 has 4 divisors (see below), whose sum is σ = 10631029536. Its totient is φ = 5315514764.

The previous prime is 7973272147. The next prime is 7973272231. The reversal of 7973272149 is 9412723797.

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.

It is a cyclic number.

It is not a de Polignac number, because 7973272149 - 2¹ = 7973272147 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7973272147) 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, 1328878689 + ... + 1328878694.

It is an arithmetic number, because the mean of its divisors is an integer number (2657757384).

Almost surely, 2^7973272149 is an apocalyptic number.

It is an amenable number.

7973272149 is a deficient number, since it is larger than the sum of its proper divisors (2657757387).

7973272149 is a wasteful number, since it uses less digits than its factorization.

7973272149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2657757386.

The product of its digits is 1333584, while the sum is 51.

The square root of 7973272149 is about 89293.1808650582. The cubic root of 7973272149 is about 1997.7701939898.

The spelling of 7973272149 in words is "seven billion, nine hundred seventy-three million, two hundred seventy-two thousand, one hundred forty-nine".