7372845640949 has 4 divisors (see below), whose sum is σ = 7382383605036. Its totient is φ = 7363307676864.

The previous prime is 7372845640889. The next prime is 7372845641003. The reversal of 7372845640949 is 9490465482737.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2642633881924 + 4730211759025 = 1625618^2 + 2174905^2 .

It is a cyclic number.

It is not a de Polignac number, because 7372845640949 - 2¹² = 7372845636853 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7372845640249) 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, 4768980884 + ... + 4768982429.

It is an arithmetic number, because the mean of its divisors is an integer number (1845595901259).

Almost surely, 2^{7372845640949} is an apocalyptic number.

It is an amenable number.

7372845640949 is a deficient number, since it is larger than the sum of its proper divisors (9537964087).

7372845640949 is an equidigital number, since it uses as much as digits as its factorization.

7372845640949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9537964086.

The product of its (nonzero) digits is 365783040, while the sum is 68.

The spelling of 7372845640949 in words is "seven trillion, three hundred seventy-two billion, eight hundred forty-five million, six hundred forty thousand, nine hundred forty-nine".