1965008454 has 12 divisors (see below), whose sum is σ = 3930234084. Its totient is φ = 654966624.

The previous prime is 1965008449. The next prime is 1965008489. The reversal of 1965008454 is 4548005691.

It is a super-2 number, since 2×1965008454² = 7722516448582940232, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 99534 + ... + 117630.

It is an arithmetic number, because the mean of its divisors is an integer number (327519507).

Almost surely, 2^1965008454 is an apocalyptic number.

1965008454 is an abundant number, since it is smaller than the sum of its proper divisors (1965225630).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1965008454 is an frugal number, since it uses more digits than its factorization.

1965008454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36199 (or 18102 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 42.

The square root of 1965008454 is about 44328.4158751472. The cubic root of 1965008454 is about 1252.5300126274.

The spelling of 1965008454 in words is "one billion, nine hundred sixty-five million, eight thousand, four hundred fifty-four".