61219625465 has 8 divisors (see below), whose sum is σ = 74042004480. Its totient is φ = 48590064432.

The previous prime is 61219625459. The next prime is 61219625479. The reversal of 61219625465 is 56452691216.

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 61219625465 - 2⁴ = 61219625449 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48203795 + ... + 48205064.

It is an arithmetic number, because the mean of its divisors is an integer number (9255250560).

Almost surely, 2^61219625465 is an apocalyptic number.

It is an amenable number.

61219625465 is a deficient number, since it is larger than the sum of its proper divisors (12822379015).

61219625465 is a wasteful number, since it uses less digits than its factorization.

61219625465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96408991.

The product of its digits is 777600, while the sum is 47.

The spelling of 61219625465 in words is "sixty-one billion, two hundred nineteen million, six hundred twenty-five thousand, four hundred sixty-five".