61434663050 has 24 divisors (see below), whose sum is σ = 114371613900. Its totient is φ = 24551684480.

The previous prime is 61434663049. The next prime is 61434663109. The reversal of 61434663050 is 5036643416.

It can be written as a sum of positive squares in 6 ways, for example, as 23929305481 + 37505357569 = 154691^2 + 193663^2 .

It is a junction number, because it is equal to n+sod(n) for n = 61434662995 and 61434663013.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 498515 + ... + 609414.

Almost surely, 2^61434663050 is an apocalyptic number.

61434663050 is a deficient number, since it is larger than the sum of its proper divisors (52936950850).

61434663050 is a wasteful number, since it uses less digits than its factorization.

61434663050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1109050 (or 1109045 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 38.

The spelling of 61434663050 in words is "sixty-one billion, four hundred thirty-four million, six hundred sixty-three thousand, fifty".