6140907485 has 4 divisors (see below), whose sum is σ = 7369088988. Its totient is φ = 4912725984.

The previous prime is 6140907481. The next prime is 6140907491. The reversal of 6140907485 is 5847090416.

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 2746912921 + 3393994564 = 52411^2 + 58258^2 .

It is a cyclic number.

It is not a de Polignac number, because 6140907485 - 2² = 6140907481 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 (6140907481) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 614090744 + ... + 614090753.

It is an arithmetic number, because the mean of its divisors is an integer number (1842272247).

Almost surely, 2^6140907485 is an apocalyptic number.

It is an amenable number.

6140907485 is a deficient number, since it is larger than the sum of its proper divisors (1228181503).

6140907485 is a wasteful number, since it uses less digits than its factorization.

6140907485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1228181502.

The product of its (nonzero) digits is 241920, while the sum is 44.

The square root of 6140907485 is about 78363.9425054661. The cubic root of 6140907485 is about 1831.2354408562.

The spelling of 6140907485 in words is "six billion, one hundred forty million, nine hundred seven thousand, four hundred eighty-five".