919725465 has 32 divisors (see below), whose sum is σ = 1517319936. Its totient is φ = 475372800.

The previous prime is 919725463. The next prime is 919725511. The reversal of 919725465 is 564527919.

It is not a de Polignac number, because 919725465 - 2¹ = 919725463 is a prime.

It is a super-3 number, since 3×919725465³ (a number of 28 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (919725463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 142815 + ... + 149115.

It is an arithmetic number, because the mean of its divisors is an integer number (47416248).

Almost surely, 2^919725465 is an apocalyptic number.

It is an amenable number.

919725465 is a deficient number, since it is larger than the sum of its proper divisors (597594471).

919725465 is a wasteful number, since it uses less digits than its factorization.

919725465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6609.

The product of its digits is 680400, while the sum is 48.

The square root of 919725465 is about 30326.9758630827. The cubic root of 919725465 is about 972.4920739591.

The spelling of 919725465 in words is "nine hundred nineteen million, seven hundred twenty-five thousand, four hundred sixty-five".