6361136494 has 4 divisors (see below), whose sum is σ = 9541704744. Its totient is φ = 3180568246.

The previous prime is 6361136489. The next prime is 6361136497. The reversal of 6361136494 is 4946311636.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×6361136494² = 80928114990597224072, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 6361136494.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6361136497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1590284122 + ... + 1590284125.

It is an arithmetic number, because the mean of its divisors is an integer number (2385426186).

Almost surely, 2^6361136494 is an apocalyptic number.

6361136494 is a deficient number, since it is larger than the sum of its proper divisors (3180568250).

6361136494 is a wasteful number, since it uses less digits than its factorization.

6361136494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3180568249.

The product of its digits is 279936, while the sum is 43.

The square root of 6361136494 is about 79756.7332204623. The cubic root of 6361136494 is about 1852.8698087812.

The spelling of 6361136494 in words is "six billion, three hundred sixty-one million, one hundred thirty-six thousand, four hundred ninety-four".