61607143435 has 4 divisors (see below), whose sum is σ = 73928572128. Its totient is φ = 49285714744.

The previous prime is 61607143379. The next prime is 61607143457. The reversal of 61607143435 is 53434170616.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 61607143435 - 2³⁵ = 27247405067 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6160714339 + ... + 6160714348.

It is an arithmetic number, because the mean of its divisors is an integer number (18482143032).

Almost surely, 2^61607143435 is an apocalyptic number.

61607143435 is a deficient number, since it is larger than the sum of its proper divisors (12321428693).

61607143435 is a wasteful number, since it uses less digits than its factorization.

61607143435 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12321428692.

The product of its (nonzero) digits is 181440, while the sum is 40.

The spelling of 61607143435 in words is "sixty-one billion, six hundred seven million, one hundred forty-three thousand, four hundred thirty-five".