61614745201 has 4 divisors (see below), whose sum is σ = 61616266992. Its totient is φ = 61613223412.

The previous prime is 61614745169. The next prime is 61614745207. The reversal of 61614745201 is 10254741616.

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 61614745201 - 2⁵ = 61614745169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61614745207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 698455 + ... + 781708.

It is an arithmetic number, because the mean of its divisors is an integer number (15404066748).

Almost surely, 2^61614745201 is an apocalyptic number.

It is an amenable number.

61614745201 is a deficient number, since it is larger than the sum of its proper divisors (1521791).

61614745201 is a wasteful number, since it uses less digits than its factorization.

61614745201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1521790.

The product of its (nonzero) digits is 40320, while the sum is 37.

The spelling of 61614745201 in words is "sixty-one billion, six hundred fourteen million, seven hundred forty-five thousand, two hundred one".