15430537485 has 48 divisors (see below), whose sum is σ = 29221103808. Its totient is φ = 7470355200.

The previous prime is 15430537483. The next prime is 15430537511. The reversal of 15430537485 is 58473503451.

It is a happy number.

15430537485 is a `hidden beast` number, since 1 + 5 + 4 + 30 + 537 + 4 + 85 = 666.

It is not a de Polignac number, because 15430537485 - 2¹ = 15430537483 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 15430537485.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15430537481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 315265 + ... + 360905.

It is an arithmetic number, because the mean of its divisors is an integer number (608772996).

Almost surely, 2^15430537485 is an apocalyptic number.

15430537485 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

15430537485 is a deficient number, since it is larger than the sum of its proper divisors (13790566323).

15430537485 is a wasteful number, since it uses less digits than its factorization.

15430537485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46346 (or 46343 counting only the distinct ones).

The product of its (nonzero) digits is 1008000, while the sum is 45.

The spelling of 15430537485 in words is "fifteen billion, four hundred thirty million, five hundred thirty-seven thousand, four hundred eighty-five".