61770435430 has 32 divisors (see below), whose sum is σ = 121455067680. Its totient is φ = 22432273920.

The previous prime is 61770435427. The next prime is 61770435499. The reversal of 61770435430 is 3453407716.

61770435430 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 287635 + ... + 454174.

It is an arithmetic number, because the mean of its divisors is an integer number (3795470865).

Almost surely, 2^61770435430 is an apocalyptic number.

61770435430 is a deficient number, since it is larger than the sum of its proper divisors (59684632250).

61770435430 is a wasteful number, since it uses less digits than its factorization.

61770435430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 742584.

The product of its (nonzero) digits is 211680, while the sum is 40.

The spelling of 61770435430 in words is "sixty-one billion, seven hundred seventy million, four hundred thirty-five thousand, four hundred thirty".