15630601434 has 96 divisors (see below), whose sum is σ = 36748857600. Its totient is φ = 4419031680.

The previous prime is 15630601433. The next prime is 15630601463. The reversal of 15630601434 is 43410603651.

It is a junction number, because it is equal to n+sod(n) for n = 15630601395 and 15630601404.

It is not an unprimeable number, because it can be changed into a prime (15630601433) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 12717532 + ... + 12718760.

It is an arithmetic number, because the mean of its divisors is an integer number (382800600).

Almost surely, 2^15630601434 is an apocalyptic number.

15630601434 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 15630601434, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18374428800).

15630601434 is an abundant number, since it is smaller than the sum of its proper divisors (21118256166).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

15630601434 is a wasteful number, since it uses less digits than its factorization.

15630601434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1668 (or 1661 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 33.

The spelling of 15630601434 in words is "fifteen billion, six hundred thirty million, six hundred one thousand, four hundred thirty-four".