354678611403 has 16 divisors (see below), whose sum is σ = 499860099200. Its totient is φ = 223078043520.

The previous prime is 354678611387. The next prime is 354678611407. The reversal of 354678611403 is 304116876453.

It is a happy number.

It is not a de Polignac number, because 354678611403 - 2⁴ = 354678611387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (354678611407) 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, 12895873 + ... + 12923346.

It is an arithmetic number, because the mean of its divisors is an integer number (31241256200).

Almost surely, 2^354678611403 is an apocalyptic number.

354678611403 is a deficient number, since it is larger than the sum of its proper divisors (145181487797).

354678611403 is a wasteful number, since it uses less digits than its factorization.

354678611403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25819482.

The product of its (nonzero) digits is 1451520, while the sum is 48.

The spelling of 354678611403 in words is "three hundred fifty-four billion, six hundred seventy-eight million, six hundred eleven thousand, four hundred three".