61954129441 has 8 divisors (see below), whose sum is σ = 62064310464. Its totient is φ = 61844040720.

The previous prime is 61954129429. The next prime is 61954129459. The reversal of 61954129441 is 14492145916.

61954129441 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 61954129441 - 2¹³ = 61954121249 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 61954129391 and 61954129400.

It is not an unprimeable number, because it can be changed into a prime (61954129411) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1397151 + ... + 1440811.

It is an arithmetic number, because the mean of its divisors is an integer number (7758038808).

Almost surely, 2^61954129441 is an apocalyptic number.

It is an amenable number.

61954129441 is a deficient number, since it is larger than the sum of its proper divisors (110181023).

61954129441 is a wasteful number, since it uses less digits than its factorization.

61954129441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46151.

The product of its digits is 311040, while the sum is 46.

The spelling of 61954129441 in words is "sixty-one billion, nine hundred fifty-four million, one hundred twenty-nine thousand, four hundred forty-one".