61419469 has 2 divisors, whose sum is σ = 61419470. Its totient is φ = 61419468.

The previous prime is 61419467. The next prime is 61419493. The reversal of 61419469 is 96491416.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 61418569 + 900 = 7837^2 + 30^2 .

It is a cyclic number.

It is not a de Polignac number, because 61419469 - 2¹ = 61419467 is a prime.

It is a super-2 number, since 2×61419469² = 7544702344483922, which contains 22 as substring.

Together with 61419467, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61419461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30709734 + 30709735.

It is an arithmetic number, because the mean of its divisors is an integer number (30709735).

Almost surely, 2^61419469 is an apocalyptic number.

It is an amenable number.

61419469 is a deficient number, since it is larger than the sum of its proper divisors (1).

61419469 is an equidigital number, since it uses as much as digits as its factorization.

61419469 is an evil number, because the sum of its binary digits is even.

The product of its digits is 46656, while the sum is 40.

The square root of 61419469 is about 7837.0574197207. The cubic root of 61419469 is about 394.5499740447.

The spelling of 61419469 in words is "sixty-one million, four hundred nineteen thousand, four hundred sixty-nine".