61409983235 has 32 divisors (see below), whose sum is σ = 79970913792. Its totient is φ = 45089533440.

The previous prime is 61409983177. The next prime is 61409983273. The reversal of 61409983235 is 53238990416.

It is a happy number.

61409983235 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 61409983235 - 2¹⁰ = 61409982211 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2292992 + ... + 2319618.

It is an arithmetic number, because the mean of its divisors is an integer number (2499091056).

Almost surely, 2^61409983235 is an apocalyptic number.

61409983235 is a deficient number, since it is larger than the sum of its proper divisors (18560930557).

61409983235 is a wasteful number, since it uses less digits than its factorization.

61409983235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27323.

The product of its (nonzero) digits is 1399680, while the sum is 50.

The spelling of 61409983235 in words is "sixty-one billion, four hundred nine million, nine hundred eighty-three thousand, two hundred thirty-five".