61453356324 has 24 divisors (see below), whose sum is σ = 143406943680. Its totient is φ = 20482197984.

The previous prime is 61453356271. The next prime is 61453356343. The reversal of 61453356324 is 42365335416.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 166279 + ... + 388014.

It is an arithmetic number, because the mean of its divisors is an integer number (5975289320).

Almost surely, 2^61453356324 is an apocalyptic number.

It is an amenable number.

61453356324 is an abundant number, since it is smaller than the sum of its proper divisors (81953587356).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

61453356324 is a wasteful number, since it uses less digits than its factorization.

61453356324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 563539 (or 563537 counting only the distinct ones).

The product of its digits is 777600, while the sum is 42.

The spelling of 61453356324 in words is "sixty-one billion, four hundred fifty-three million, three hundred fifty-six thousand, three hundred twenty-four".