10215947349 has 24 divisors (see below), whose sum is σ = 14958084960. Its totient is φ = 6717795552.

The previous prime is 10215947347. The next prime is 10215947369. The reversal of 10215947349 is 94374951201.

10215947349 is a `hidden beast` number, since 1 + 0 + 21 + 594 + 7 + 34 + 9 = 666.

It is not a de Polignac number, because 10215947349 - 2¹ = 10215947347 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10215947347) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 469687 + ... + 490955.

It is an arithmetic number, because the mean of its divisors is an integer number (623253540).

Almost surely, 2^10215947349 is an apocalyptic number.

It is an amenable number.

10215947349 is a deficient number, since it is larger than the sum of its proper divisors (4742137611).

10215947349 is a wasteful number, since it uses less digits than its factorization.

10215947349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22001 (or 21998 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 45.

The spelling of 10215947349 in words is "ten billion, two hundred fifteen million, nine hundred forty-seven thousand, three hundred forty-nine".