61823434264 has 8 divisors (see below), whose sum is σ = 115918939260. Its totient is φ = 30911717128.

The previous prime is 61823434249. The next prime is 61823434271. The reversal of 61823434264 is 46243432816.

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 61823434264.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3863964634 + ... + 3863964649.

Almost surely, 2^61823434264 is an apocalyptic number.

It is an amenable number.

61823434264 is a deficient number, since it is larger than the sum of its proper divisors (54095504996).

61823434264 is a wasteful number, since it uses less digits than its factorization.

61823434264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7727929289 (or 7727929285 counting only the distinct ones).

The product of its digits is 663552, while the sum is 43.

The spelling of 61823434264 in words is "sixty-one billion, eight hundred twenty-three million, four hundred thirty-four thousand, two hundred sixty-four".