61433092449 has 9 divisors (see below), whose sum is σ = 88737763153. Its totient is φ = 40954899252.

The previous prime is 61433092439. The next prime is 61433092459. The reversal of 61433092449 is 94429033416.

The square root of 61433092449 is 247857.

It is a perfect power (a square), and thus also a powerful number.

61433092449 is a `hidden beast` number, since 61 + 43 + 309 + 244 + 9 = 666.

61433092449 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (61433092439) and next prime (61433092459).

It is a tau number, because it is divible by the number of its divisors (9).

It is not a de Polignac number, because 61433092449 - 2⁵ = 61433092417 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61433092439) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 702262 + ... + 784880.

Almost surely, 2^61433092449 is an apocalyptic number.

61433092449 is the 247857-th square number.

61433092449 is the 123929-th centered octagonal number.

It is an amenable number.

61433092449 is a deficient number, since it is larger than the sum of its proper divisors (27304670704).

61433092449 is an frugal number, since it uses more digits than its factorization.

61433092449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165244 (or 82622 counting only the distinct ones).

The product of its (nonzero) digits is 559872, while the sum is 45.

The spelling of 61433092449 in words is "sixty-one billion, four hundred thirty-three million, ninety-two thousand, four hundred forty-nine".