15630046345 has 16 divisors (see below), whose sum is σ = 19281544128. Its totient is φ = 12154363200.

The previous prime is 15630046343. The next prime is 15630046349. The reversal of 15630046345 is 54364003651.

It is not a de Polignac number, because 15630046345 - 2¹ = 15630046343 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15630046343) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 154242 + ... + 234628.

It is an arithmetic number, because the mean of its divisors is an integer number (1205096508).

Almost surely, 2^15630046345 is an apocalyptic number.

It is an amenable number.

15630046345 is a deficient number, since it is larger than the sum of its proper divisors (3651497783).

15630046345 is a wasteful number, since it uses less digits than its factorization.

15630046345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81480.

The product of its (nonzero) digits is 129600, while the sum is 37.

Adding to 15630046345 its reverse (54364003651), we get a palindrome (69994049996).

The spelling of 15630046345 in words is "fifteen billion, six hundred thirty million, forty-six thousand, three hundred forty-five".