15430121434 has 64 divisors (see below), whose sum is σ = 30587300352. Its totient is φ = 5664153600.

The previous prime is 15430121429. The next prime is 15430121459. The reversal of 15430121434 is 43412103451.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 184554 + ... + 254794.

It is an arithmetic number, because the mean of its divisors is an integer number (477926568).

Almost surely, 2^15430121434 is an apocalyptic number.

15430121434 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

15430121434 is a deficient number, since it is larger than the sum of its proper divisors (15157178918).

15430121434 is a wasteful number, since it uses less digits than its factorization.

15430121434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70351.

The product of its (nonzero) digits is 5760, while the sum is 28.

Adding to 15430121434 its reverse (43412103451), we get a palindrome (58842224885).

The spelling of 15430121434 in words is "fifteen billion, four hundred thirty million, one hundred twenty-one thousand, four hundred thirty-four".