357494009509 has 16 divisors (see below), whose sum is σ = 451884323968. Its totient is φ = 275207740992.

The previous prime is 357494009501. The next prime is 357494009519. The reversal of 357494009509 is 905900494753.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 357494009509 - 2³ = 357494009501 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 357494009509.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (357494009501) 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, 53084547 + ... + 53091280.

It is an arithmetic number, because the mean of its divisors is an integer number (28242770248).

Almost surely, 2^357494009509 is an apocalyptic number.

It is an amenable number.

357494009509 is a deficient number, since it is larger than the sum of its proper divisors (94390314459).

357494009509 is a wasteful number, since it uses less digits than its factorization.

357494009509 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106175884.

The product of its (nonzero) digits is 6123600, while the sum is 55.

The spelling of 357494009509 in words is "three hundred fifty-seven billion, four hundred ninety-four million, nine thousand, five hundred nine".