16903747947 has 16 divisors (see below), whose sum is σ = 23145108480. Its totient is φ = 10969795200.

The previous prime is 16903747891. The next prime is 16903747951. The reversal of 16903747947 is 74974730961.

It is not a de Polignac number, because 16903747947 - 2⁸ = 16903747691 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16903747957) 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, 485454 + ... + 519107.

It is an arithmetic number, because the mean of its divisors is an integer number (1446569280).

Almost surely, 2^16903747947 is an apocalyptic number.

16903747947 is a deficient number, since it is larger than the sum of its proper divisors (6241360533).

16903747947 is a wasteful number, since it uses less digits than its factorization.

16903747947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1004714.

The product of its (nonzero) digits is 8001504, while the sum is 57.

The spelling of 16903747947 in words is "sixteen billion, nine hundred three million, seven hundred forty-seven thousand, nine hundred forty-seven".