15430856930 has 8 divisors (see below), whose sum is σ = 27775542492. Its totient is φ = 6172342768.

The previous prime is 15430856927. The next prime is 15430856951. The reversal of 15430856930 is 3965803451.

It can be written as a sum of positive squares in 2 ways, for example, as 14969767201 + 461089729 = 122351^2 + 21473^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×15430856930² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 771542837 + ... + 771542856.

Almost surely, 2^15430856930 is an apocalyptic number.

15430856930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

15430856930 is a deficient number, since it is larger than the sum of its proper divisors (12344685562).

15430856930 is a wasteful number, since it uses less digits than its factorization.

15430856930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1543085700.

The product of its (nonzero) digits is 388800, while the sum is 44.

The spelling of 15430856930 in words is "fifteen billion, four hundred thirty million, eight hundred fifty-six thousand, nine hundred thirty".