919734454 has 24 divisors (see below), whose sum is σ = 1420440840. Its totient is φ = 446578560.

The previous prime is 919734451. The next prime is 919734481. The reversal of 919734454 is 454437919.

It is a super-2 number, since 2×919734454² = 1691822931749356232, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (919734451) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 616942 + ... + 618430.

It is an arithmetic number, because the mean of its divisors is an integer number (59185035).

Almost surely, 2^919734454 is an apocalyptic number.

919734454 is a deficient number, since it is larger than the sum of its proper divisors (500706386).

919734454 is a wasteful number, since it uses less digits than its factorization.

919734454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1696 (or 1635 counting only the distinct ones).

The product of its digits is 544320, while the sum is 46.

The square root of 919734454 is about 30327.1240641113. The cubic root of 919734454 is about 972.4952421881.

The spelling of 919734454 in words is "nine hundred nineteen million, seven hundred thirty-four thousand, four hundred fifty-four".