4156340749 has 8 divisors (see below), whose sum is σ = 4562008992. Its totient is φ = 3755309040.

The previous prime is 4156340723. The next prime is 4156340759. The reversal of 4156340749 is 9470436514.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4156340749 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 (4156340759) 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, 1157254 + ... + 1160839.

It is an arithmetic number, because the mean of its divisors is an integer number (570251124).

Almost surely, 2^4156340749 is an apocalyptic number.

It is an amenable number.

4156340749 is a deficient number, since it is larger than the sum of its proper divisors (405668243).

4156340749 is a wasteful number, since it uses less digits than its factorization.

4156340749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2318267.

The product of its (nonzero) digits is 362880, while the sum is 43.

The square root of 4156340749 is about 64469.6886063521. The cubic root of 4156340749 is about 1607.8185995637.

The spelling of 4156340749 in words is "four billion, one hundred fifty-six million, three hundred forty thousand, seven hundred forty-nine".