61583799419 has 4 divisors (see below), whose sum is σ = 64825052040. Its totient is φ = 58342546800.

The previous prime is 61583799413. The next prime is 61583799427. The reversal of 61583799419 is 91499738516.

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 61583799419 - 2³² = 57288832123 is a prime.

It is a super-2 number, since 2×61583799419² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61583799413) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1620626282 + ... + 1620626319.

It is an arithmetic number, because the mean of its divisors is an integer number (16206263010).

Almost surely, 2^61583799419 is an apocalyptic number.

61583799419 is a deficient number, since it is larger than the sum of its proper divisors (3241252621).

61583799419 is a wasteful number, since it uses less digits than its factorization.

61583799419 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3241252620.

The product of its digits is 14696640, while the sum is 62.

The spelling of 61583799419 in words is "sixty-one billion, five hundred eighty-three million, seven hundred ninety-nine thousand, four hundred nineteen".