19413406425 has 24 divisors (see below), whose sum is σ = 36682094656. Its totient is φ = 8874699840.

The previous prime is 19413406391. The next prime is 19413406451. The reversal of 19413406425 is 52460431491.

It is not a de Polignac number, because 19413406425 - 2¹¹ = 19413404377 is a prime.

It is a super-3 number, since 3×19413406425³ (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18488434 + ... + 18489483.

Almost surely, 2^19413406425 is an apocalyptic number.

19413406425 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

19413406425 is a deficient number, since it is larger than the sum of its proper divisors (17268688231).

19413406425 is a wasteful number, since it uses less digits than its factorization.

19413406425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36977937 (or 36977932 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 39.

The spelling of 19413406425 in words is "nineteen billion, four hundred thirteen million, four hundred six thousand, four hundred twenty-five".