4138057450749 has 8 divisors (see below), whose sum is σ = 5572037755872. Its totient is φ = 2731391056400.

The previous prime is 4138057450711. The next prime is 4138057450759. The reversal of 4138057450749 is 9470547508314.

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 4138057450749 - 2⁹ = 4138057450237 is a prime.

It is a super-2 number, since 2×4138057450749² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4138057450759) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6828477339 + ... + 6828477944.

It is an arithmetic number, because the mean of its divisors is an integer number (696504719484).

Almost surely, 2^{4138057450749} is an apocalyptic number.

It is an amenable number.

4138057450749 is a deficient number, since it is larger than the sum of its proper divisors (1433980305123).

4138057450749 is a wasteful number, since it uses less digits than its factorization.

4138057450749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13656955387.

The product of its (nonzero) digits is 16934400, while the sum is 57.

The spelling of 4138057450749 in words is "four trillion, one hundred thirty-eight billion, fifty-seven million, four hundred fifty thousand, seven hundred forty-nine".