7445933905 has 4 divisors (see below), whose sum is σ = 8935120692. Its totient is φ = 5956747120.

The previous prime is 7445933861. The next prime is 7445933923. The reversal of 7445933905 is 5093395447.

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 992061009 + 6453872896 = 31497^2 + 80336^2 .

It is not a de Polignac number, because 7445933905 - 2⁷ = 7445933777 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 744593386 + ... + 744593395.

It is an arithmetic number, because the mean of its divisors is an integer number (2233780173).

Almost surely, 2^7445933905 is an apocalyptic number.

It is an amenable number.

7445933905 is a deficient number, since it is larger than the sum of its proper divisors (1489186787).

7445933905 is a wasteful number, since it uses less digits than its factorization.

7445933905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1489186786.

The product of its (nonzero) digits is 2041200, while the sum is 49.

The square root of 7445933905 is about 86289.8250374863. The cubic root of 7445933905 is about 1952.7188814246.

The spelling of 7445933905 in words is "seven billion, four hundred forty-five million, nine hundred thirty-three thousand, nine hundred five".