750406081493 has 4 divisors (see below), whose sum is σ = 754551971628. Its totient is φ = 746260191360.

The previous prime is 750406081489. The next prime is 750406081507. The reversal of 750406081493 is 394180604057.

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 154828084324 + 595577997169 = 393482^2 + 771737^2 .

It is a cyclic number.

It is not a de Polignac number, because 750406081493 - 2² = 750406081489 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 (750406081193) 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 3 ways as a sum of consecutive naturals, for example, 2072944796 + ... + 2072945157.

It is an arithmetic number, because the mean of its divisors is an integer number (188637992907).

Almost surely, 2^750406081493 is an apocalyptic number.

It is an amenable number.

750406081493 is a deficient number, since it is larger than the sum of its proper divisors (4145890135).

750406081493 is a wasteful number, since it uses less digits than its factorization.

750406081493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4145890134.

The product of its (nonzero) digits is 725760, while the sum is 47.

The spelling of 750406081493 in words is "seven hundred fifty billion, four hundred six million, eighty-one thousand, four hundred ninety-three".