1009461657 has 8 divisors (see below), whose sum is σ = 1357860384. Its totient is φ = 667018688.

The previous prime is 1009461643. The next prime is 1009461701. The reversal of 1009461657 is 7561649001.

1009461657 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1009461657 - 2⁴ = 1009461641 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1009461617) 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, 1488543 + ... + 1489220.

It is an arithmetic number, because the mean of its divisors is an integer number (169732548).

Almost surely, 2^1009461657 is an apocalyptic number.

It is an amenable number.

1009461657 is a deficient number, since it is larger than the sum of its proper divisors (348398727).

1009461657 is a wasteful number, since it uses less digits than its factorization.

1009461657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2977879.

The product of its (nonzero) digits is 45360, while the sum is 39.

The square root of 1009461657 is about 31772.0263282026. The cubic root of 1009461657 is about 1003.1439906305.

The spelling of 1009461657 in words is "one billion, nine million, four hundred sixty-one thousand, six hundred fifty-seven".