354402505634 has 4 divisors (see below), whose sum is σ = 531603758454. Its totient is φ = 177201252816.

The previous prime is 354402505619. The next prime is 354402505651. The reversal of 354402505634 is 436505204453.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 436505204453 = 337 ⋅1295267669.

It can be written as a sum of positive squares in only one way, i.e., 350638069609 + 3764436025 = 592147^2 + 61355^2 .

It is a super-2 number, since 2×354402505634² (a number of 24 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 354402505591 and 354402505600.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 88600626407 + ... + 88600626410.

Almost surely, 2^354402505634 is an apocalyptic number.

354402505634 is a deficient number, since it is larger than the sum of its proper divisors (177201252820).

354402505634 is a wasteful number, since it uses less digits than its factorization.

354402505634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177201252819.

The product of its (nonzero) digits is 864000, while the sum is 41.

The spelling of 354402505634 in words is "three hundred fifty-four billion, four hundred two million, five hundred five thousand, six hundred thirty-four".