61677541351 has 2 divisors, whose sum is σ = 61677541352. Its totient is φ = 61677541350.

The previous prime is 61677541319. The next prime is 61677541397. The reversal of 61677541351 is 15314577616.

It is an a-pointer prime, because the next prime (61677541397) can be obtained adding 61677541351 to its sum of digits (46).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 61677541351 - 2⁵ = 61677541319 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61677542351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30838770675 + 30838770676.

It is an arithmetic number, because the mean of its divisors is an integer number (30838770676).

Almost surely, 2^61677541351 is an apocalyptic number.

61677541351 is a deficient number, since it is larger than the sum of its proper divisors (1).

61677541351 is an equidigital number, since it uses as much as digits as its factorization.

61677541351 is an evil number, because the sum of its binary digits is even.

The product of its digits is 529200, while the sum is 46.

The spelling of 61677541351 in words is "sixty-one billion, six hundred seventy-seven million, five hundred forty-one thousand, three hundred fifty-one".