15341988690 has 192 divisors, whose sum is σ = 46818720000. Its totient is φ = 3484083456.

The previous prime is 15341988659. The next prime is 15341988707. The reversal of 15341988690 is 9688914351.

15341988690 is a `hidden beast` number, since 1 + 534 + 19 + 8 + 8 + 6 + 90 = 666.

It is a super-2 number, since 2×15341988690² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 5030286 + ... + 5033334.

It is an arithmetic number, because the mean of its divisors is an integer number (243847500).

Almost surely, 2^15341988690 is an apocalyptic number.

15341988690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 15341988690, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23409360000).

15341988690 is an abundant number, since it is smaller than the sum of its proper divisors (31476731310).

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

15341988690 is a wasteful number, since it uses less digits than its factorization.

15341988690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3246 (or 3229 counting only the distinct ones).

The product of its (nonzero) digits is 1866240, while the sum is 54.

The spelling of 15341988690 in words is "fifteen billion, three hundred forty-one million, nine hundred eighty-eight thousand, six hundred ninety".