954920139509 has 16 divisors (see below), whose sum is σ = 1151033116800. Its totient is φ = 773900391744.

The previous prime is 954920139449. The next prime is 954920139533. The reversal of 954920139509 is 905931029459.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 954920139509 - 2⁸ = 954920139253 is a prime.

It is a super-2 number, since 2×954920139509² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (954920139409) 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, 6985202 + ... + 7120595.

It is an arithmetic number, because the mean of its divisors is an integer number (71939569800).

Almost surely, 2^954920139509 is an apocalyptic number.

It is an amenable number.

954920139509 is a deficient number, since it is larger than the sum of its proper divisors (196112977291).

954920139509 is a wasteful number, since it uses less digits than its factorization.

954920139509 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14106332.

The product of its (nonzero) digits is 3936600, while the sum is 56.

The spelling of 954920139509 in words is "nine hundred fifty-four billion, nine hundred twenty million, one hundred thirty-nine thousand, five hundred nine".