61862623461 has 6 divisors (see below), whose sum is σ = 89357122790. Its totient is φ = 41241748968.

The previous prime is 61862623453. The next prime is 61862623481. The reversal of 61862623461 is 16432626816.

61862623461 is a `hidden beast` number, since 6 + 18 + 6 + 2 + 623 + 4 + 6 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 42588576900 + 19274046561 = 206370^2 + 138831^2 .

It is not a de Polignac number, because 61862623461 - 2³ = 61862623453 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61862623421) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3436812406 + ... + 3436812423.

Almost surely, 2^61862623461 is an apocalyptic number.

It is an amenable number.

61862623461 is a deficient number, since it is larger than the sum of its proper divisors (27494499329).

61862623461 is a wasteful number, since it uses less digits than its factorization.

61862623461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6873624835 (or 6873624832 counting only the distinct ones).

The product of its digits is 497664, while the sum is 45.

The spelling of 61862623461 in words is "sixty-one billion, eight hundred sixty-two million, six hundred twenty-three thousand, four hundred sixty-one".