61403883363 has 24 divisors (see below), whose sum is σ = 93922253568. Its totient is φ = 38523647232.

The previous prime is 61403883319. The next prime is 61403883377. The reversal of 61403883363 is 36338830416.

It is not a de Polignac number, because 61403883363 - 2¹⁸ = 61403621219 is a prime.

It is not an unprimeable number, because it can be changed into a prime (61403883263) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1899070 + ... + 1931132.

It is an arithmetic number, because the mean of its divisors is an integer number (3913427232).

Almost surely, 2^61403883363 is an apocalyptic number.

61403883363 is a deficient number, since it is larger than the sum of its proper divisors (32518370205).

61403883363 is a wasteful number, since it uses less digits than its factorization.

61403883363 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44603 (or 44600 counting only the distinct ones).

The product of its (nonzero) digits is 746496, while the sum is 45.

The spelling of 61403883363 in words is "sixty-one billion, four hundred three million, eight hundred eighty-three thousand, three hundred sixty-three".