354021203499 has 16 divisors (see below), whose sum is σ = 499226724480. Its totient is φ = 222532652160.

The previous prime is 354021203491. The next prime is 354021203519. The reversal of 354021203499 is 994302120453.

It is not a de Polignac number, because 354021203499 - 2³ = 354021203491 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 354021203499.

It is not an unprimeable number, because it can be changed into a prime (354021203491) 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, 14705742 + ... + 14729795.

It is an arithmetic number, because the mean of its divisors is an integer number (31201670280).

Almost surely, 2^354021203499 is an apocalyptic number.

354021203499 is a deficient number, since it is larger than the sum of its proper divisors (145205520981).

354021203499 is a wasteful number, since it uses less digits than its factorization.

354021203499 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29435770.

The product of its (nonzero) digits is 233280, while the sum is 42.

The spelling of 354021203499 in words is "three hundred fifty-four billion, twenty-one million, two hundred three thousand, four hundred ninety-nine".