61264204033 has 4 divisors (see below), whose sum is σ = 62688953008. Its totient is φ = 59839455060.

The previous prime is 61264204013. The next prime is 61264204049. The reversal of 61264204033 is 33040246216.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 61264204033 - 2³³ = 52674269441 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 61264203986 and 61264204004.

It is not an unprimeable number, because it can be changed into a prime (61264204013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 712374423 + ... + 712374508.

It is an arithmetic number, because the mean of its divisors is an integer number (15672238252).

Almost surely, 2^61264204033 is an apocalyptic number.

It is an amenable number.

61264204033 is a deficient number, since it is larger than the sum of its proper divisors (1424748975).

61264204033 is a wasteful number, since it uses less digits than its factorization.

61264204033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1424748974.

The product of its (nonzero) digits is 20736, while the sum is 31.

The spelling of 61264204033 in words is "sixty-one billion, two hundred sixty-four million, two hundred four thousand, thirty-three".