61676929445 has 16 divisors (see below), whose sum is σ = 74358537408. Its totient is φ = 49110848640.

The previous prime is 61676929399. The next prime is 61676929469. The reversal of 61676929445 is 54492967616.

61676929445 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 61676929445 - 2²⁰ = 61675880869 is a prime.

It is a Duffinian number.

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, 8153465 + ... + 8161025.

It is an arithmetic number, because the mean of its divisors is an integer number (4647408588).

Almost surely, 2^61676929445 is an apocalyptic number.

It is an amenable number.

61676929445 is a deficient number, since it is larger than the sum of its proper divisors (12681607963).

61676929445 is a wasteful number, since it uses less digits than its factorization.

61676929445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14980.

The product of its digits is 19595520, while the sum is 59.

The spelling of 61676929445 in words is "sixty-one billion, six hundred seventy-six million, nine hundred twenty-nine thousand, four hundred forty-five".