61925389419 has 16 divisors (see below), whose sum is σ = 85142633472. Its totient is φ = 40012925568.

The previous prime is 61925389411. The next prime is 61925389423. The reversal of 61925389419 is 91498352916.

It is not a de Polignac number, because 61925389419 - 2³ = 61925389411 is a prime.

It is a super-3 number, since 3×61925389419³ (a number of 33 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (61925389411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2117454 + ... + 2146499.

It is an arithmetic number, because the mean of its divisors is an integer number (5321414592).

Almost surely, 2^61925389419 is an apocalyptic number.

61925389419 is a deficient number, since it is larger than the sum of its proper divisors (23217244053).

61925389419 is a wasteful number, since it uses less digits than its factorization.

61925389419 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4264106.

The product of its digits is 4199040, while the sum is 57.

The spelling of 61925389419 in words is "sixty-one billion, nine hundred twenty-five million, three hundred eighty-nine thousand, four hundred nineteen".