61541423970 has 64 divisors (see below), whose sum is σ = 159088043520. Its totient is φ = 15146074368.

The previous prime is 61541423887. The next prime is 61541423987. The reversal of 61541423970 is 7932414516.

61541423970 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 3356167 + ... + 3374453.

It is an arithmetic number, because the mean of its divisors is an integer number (2485750680).

Almost surely, 2^61541423970 is an apocalyptic number.

61541423970 is an abundant number, since it is smaller than the sum of its proper divisors (97546619550).

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

61541423970 is a wasteful number, since it uses less digits than its factorization.

61541423970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26939.

The product of its (nonzero) digits is 181440, while the sum is 42.

The spelling of 61541423970 in words is "sixty-one billion, five hundred forty-one million, four hundred twenty-three thousand, nine hundred seventy".