61453352653747 has 16 divisors (see below), whose sum is σ = 66244830676992. Its totient is φ = 56841431391360.

The previous prime is 61453352653711. The next prime is 61453352653753. The reversal of 61453352653747 is 74735625335416.

It is a cyclic number.

It is not a de Polignac number, because 61453352653747 - 2²⁷ = 61453218436019 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61453352653757) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32301853 + ... + 34151374.

It is an arithmetic number, because the mean of its divisors is an integer number (4140301917312).

Almost surely, 2^{61453352653747} is an apocalyptic number.

61453352653747 is a deficient number, since it is larger than the sum of its proper divisors (4791478023245).

61453352653747 is a wasteful number, since it uses less digits than its factorization.

61453352653747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66454578.

The product of its digits is 190512000, while the sum is 61.

The spelling of 61453352653747 in words is "sixty-one trillion, four hundred fifty-three billion, three hundred fifty-two million, six hundred fifty-three thousand, seven hundred forty-seven".