61479398419 has 8 divisors (see below), whose sum is σ = 62059264560. Its totient is φ = 60899630496.

The previous prime is 61479398401. The next prime is 61479398423. The reversal of 61479398419 is 91489397416.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 61479398419 - 2²⁷ = 61345180691 is a prime.

It is a super-2 number, since 2×61479398419² (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 (61479348419) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2064117 + ... + 2093689.

It is an arithmetic number, because the mean of its divisors is an integer number (7757408070).

Almost surely, 2^61479398419 is an apocalyptic number.

61479398419 is a deficient number, since it is larger than the sum of its proper divisors (579866141).

61479398419 is a wasteful number, since it uses less digits than its factorization.

61479398419 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49109.

The product of its digits is 11757312, while the sum is 61.

The spelling of 61479398419 in words is "sixty-one billion, four hundred seventy-nine million, three hundred ninety-eight thousand, four hundred nineteen".