6136981850 has 12 divisors (see below), whose sum is σ = 11414786334. Its totient is φ = 2454792720.

The previous prime is 6136981841. The next prime is 6136981859. The reversal of 6136981850 is 581896316.

It is an interprime number because it is at equal distance from previous prime (6136981841) and next prime (6136981859).

It can be written as a sum of positive squares in 3 ways, for example, as 2652559009 + 3484422841 = 51503^2 + 59029^2 .

It is a hoax number, since the sum of its digits (47) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 6136981795 and 6136981804.

It is not an unprimeable number, because it can be changed into a prime (6136981859) 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 5 ways as a sum of consecutive naturals, for example, 61369769 + ... + 61369868.

Almost surely, 2^6136981850 is an apocalyptic number.

6136981850 is a deficient number, since it is larger than the sum of its proper divisors (5277804484).

6136981850 is a wasteful number, since it uses less digits than its factorization.

6136981850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122739649 (or 122739644 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 47.

The square root of 6136981850 is about 78338.8910439764. The cubic root of 6136981850 is about 1830.8451459728.

The spelling of 6136981850 in words is "six billion, one hundred thirty-six million, nine hundred eighty-one thousand, eight hundred fifty".