10208947654 has 16 divisors (see below), whose sum is σ = 15530528592. Its totient is φ = 5032171008.

The previous prime is 10208947613. The next prime is 10208947657. The reversal of 10208947654 is 45674980201.

It is a super-2 number, since 2×10208947654² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10208947657) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 316477 + ... + 347239.

It is an arithmetic number, because the mean of its divisors is an integer number (970658037).

Almost surely, 2^10208947654 is an apocalyptic number.

10208947654 is a deficient number, since it is larger than the sum of its proper divisors (5321580938).

10208947654 is a wasteful number, since it uses less digits than its factorization.

10208947654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33111.

The product of its (nonzero) digits is 483840, while the sum is 46.

The spelling of 10208947654 in words is "ten billion, two hundred eight million, nine hundred forty-seven thousand, six hundred fifty-four".