1909634914954 has 32 divisors (see below), whose sum is σ = 3329913525120. Its totient is φ = 813978846912.

The previous prime is 1909634914927. The next prime is 1909634914963. The reversal of 1909634914954 is 4594194369091.

It is a super-2 number, since 2×1909634914954² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55040752 + ... + 55075435.

It is an arithmetic number, because the mean of its divisors is an integer number (104059797660).

Almost surely, 2^{1909634914954} is an apocalyptic number.

1909634914954 is a deficient number, since it is larger than the sum of its proper divisors (1420278610166).

1909634914954 is a wasteful number, since it uses less digits than its factorization.

1909634914954 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110116254.

The product of its (nonzero) digits is 37791360, while the sum is 64.

The spelling of 1909634914954 in words is "one trillion, nine hundred nine billion, six hundred thirty-four million, nine hundred fourteen thousand, nine hundred fifty-four".