749950001505 has 24 divisors (see below), whose sum is σ = 1303155046440. Its totient is φ = 398975884800.

The previous prime is 749950001477. The next prime is 749950001531. The reversal of 749950001505 is 505100059947.

749950001505 is a `hidden beast` number, since 7 + 4 + 99 + 50 + 0 + 0 + 1 + 505 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 54774253521 + 695175747984 = 234039^2 + 833772^2 .

It is not a de Polignac number, because 749950001505 - 2⁸ = 749950001249 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20761950 + ... + 20798039.

It is an arithmetic number, because the mean of its divisors is an integer number (54298126935).

Almost surely, 2^749950001505 is an apocalyptic number.

It is an amenable number.

749950001505 is a deficient number, since it is larger than the sum of its proper divisors (553205044935).

749950001505 is a wasteful number, since it uses less digits than its factorization.

749950001505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41560401 (or 41560398 counting only the distinct ones).

The product of its (nonzero) digits is 283500, while the sum is 45.

The spelling of 749950001505 in words is "seven hundred forty-nine billion, nine hundred fifty million, one thousand, five hundred five".