36491818396 has 36 divisors (see below), whose sum is σ = 71687506464. Its totient is φ = 16234261120.

The previous prime is 36491818393. The next prime is 36491818409. The reversal of 36491818396 is 69381819463.

It is a self number, because there is not a number n which added to its sum of digits gives 36491818396.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36491818393) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 779341 + ... + 824836.

It is an arithmetic number, because the mean of its divisors is an integer number (1991319624).

Almost surely, 2^36491818396 is an apocalyptic number.

It is an amenable number.

36491818396 is a deficient number, since it is larger than the sum of its proper divisors (35195688068).

36491818396 is a wasteful number, since it uses less digits than its factorization.

36491818396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1604250 (or 1604237 counting only the distinct ones).

The product of its digits is 6718464, while the sum is 58.

The spelling of 36491818396 in words is "thirty-six billion, four hundred ninety-one million, eight hundred eighteen thousand, three hundred ninety-six".