17438492402 has 16 divisors (see below), whose sum is σ = 26682955200. Its totient is φ = 8545495728.

The previous prime is 17438492381. The next prime is 17438492417. The reversal of 17438492402 is 20429483471.

It is a super-2 number, since 2×17438492402² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 303902 + ... + 356697.

It is an arithmetic number, because the mean of its divisors is an integer number (1667684700).

Almost surely, 2^17438492402 is an apocalyptic number.

17438492402 is a deficient number, since it is larger than the sum of its proper divisors (9244462798).

17438492402 is a wasteful number, since it uses less digits than its factorization.

17438492402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 660865.

The product of its (nonzero) digits is 387072, while the sum is 44.

The spelling of 17438492402 in words is "seventeen billion, four hundred thirty-eight million, four hundred ninety-two thousand, four hundred two".