61327563899641 has 12 divisors (see below), whose sum is σ = 66449904795648. Its totient is φ = 56574297487344.

The previous prime is 61327563899603. The next prime is 61327563899671. The reversal of 61327563899641 is 14699836572316.

It is not a de Polignac number, because 61327563899641 - 2³³ = 61318973965049 is a prime.

It is a super-2 number, since 2×61327563899641² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61327563899671) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 114351865 + ... + 114886918.

It is an arithmetic number, because the mean of its divisors is an integer number (5537492066304).

Almost surely, 2^{61327563899641} is an apocalyptic number.

It is an amenable number.

61327563899641 is a deficient number, since it is larger than the sum of its proper divisors (5122340896007).

61327563899641 is a wasteful number, since it uses less digits than its factorization.

61327563899641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229240392 (or 229240379 counting only the distinct ones).

The product of its digits is 352719360, while the sum is 70.

The spelling of 61327563899641 in words is "sixty-one trillion, three hundred twenty-seven billion, five hundred sixty-three million, eight hundred ninety-nine thousand, six hundred forty-one".