739744212645 has 24 divisors (see below), whose sum is σ = 1299788010456. Its totient is φ = 389125721088.

The previous prime is 739744212643. The next prime is 739744212661. The reversal of 739744212645 is 546212447937.

739744212645 is a `hidden beast` number, since 7 + 39 + 7 + 442 + 126 + 45 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 179734450401 + 560009762244 = 423951^2 + 748338^2 .

It is not a de Polignac number, because 739744212645 - 2¹ = 739744212643 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 739744212591 and 739744212600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (739744212643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 112590964 + ... + 112597533.

It is an arithmetic number, because the mean of its divisors is an integer number (54157833769).

Almost surely, 2^739744212645 is an apocalyptic number.

It is an amenable number.

739744212645 is a deficient number, since it is larger than the sum of its proper divisors (560043797811).

739744212645 is a wasteful number, since it uses less digits than its factorization.

739744212645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225188581 (or 225188578 counting only the distinct ones).

The product of its digits is 10160640, while the sum is 54.

The spelling of 739744212645 in words is "seven hundred thirty-nine billion, seven hundred forty-four million, two hundred twelve thousand, six hundred forty-five".