745387569049 has 8 divisors (see below), whose sum is σ = 758268594720. Its totient is φ = 732514788096.

The previous prime is 745387568963. The next prime is 745387569077. The reversal of 745387569049 is 940965783547.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 745387569049 - 2¹³ = 745387560857 is a prime.

It is not an unprimeable number, because it can be changed into a prime (745387569089) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1878664 + ... + 2240569.

It is an arithmetic number, because the mean of its divisors is an integer number (94783574340).

Almost surely, 2^745387569049 is an apocalyptic number.

It is an amenable number.

745387569049 is a deficient number, since it is larger than the sum of its proper divisors (12881025671).

745387569049 is a wasteful number, since it uses less digits than its factorization.

745387569049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4122359.

The product of its (nonzero) digits is 228614400, while the sum is 67.

The spelling of 745387569049 in words is "seven hundred forty-five billion, three hundred eighty-seven million, five hundred sixty-nine thousand, forty-nine".