15434562542 has 16 divisors (see below), whose sum is σ = 26475452640. Its totient is φ = 6610761888.

The previous prime is 15434562491. The next prime is 15434562547. The reversal of 15434562542 is 24526543451.

It is a self number, because there is not a number n which added to its sum of digits gives 15434562542.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15434562547) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 313817 + ... + 359652.

It is an arithmetic number, because the mean of its divisors is an integer number (1654715790).

Almost surely, 2^15434562542 is an apocalyptic number.

15434562542 is a deficient number, since it is larger than the sum of its proper divisors (11040890098).

15434562542 is a wasteful number, since it uses less digits than its factorization.

15434562542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 675115.

The product of its digits is 576000, while the sum is 41.

The spelling of 15434562542 in words is "fifteen billion, four hundred thirty-four million, five hundred sixty-two thousand, five hundred forty-two".