309029346953 has 8 divisors (see below), whose sum is σ = 310237246848. Its totient is φ = 307822263984.

The previous prime is 309029346947. The next prime is 309029346961. The reversal of 309029346953 is 359643920903.

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 309029346953 - 2⁴ = 309029346937 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 309029346895 and 309029346904.

It is not an unprimeable number, because it can be changed into a prime (309029346973) 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, 559376 + ... + 964862.

It is an arithmetic number, because the mean of its divisors is an integer number (38779655856).

Almost surely, 2^309029346953 is an apocalyptic number.

It is an amenable number.

309029346953 is a deficient number, since it is larger than the sum of its proper divisors (1207899895).

309029346953 is a wasteful number, since it uses less digits than its factorization.

309029346953 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 408463.

The product of its (nonzero) digits is 4723920, while the sum is 53.

The spelling of 309029346953 in words is "three hundred nine billion, twenty-nine million, three hundred forty-six thousand, nine hundred fifty-three".