27398396379494 has 16 divisors (see below), whose sum is σ = 46969072512288. Its totient is φ = 11742071625792.

The previous prime is 27398396379491. The next prime is 27398396379503. The reversal of 27398396379494 is 49497369389372.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27398396379491) 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, 6441839 + ... + 9812954.

It is an arithmetic number, because the mean of its divisors is an integer number (2935567032018).

Almost surely, 2^{27398396379494} is an apocalyptic number.

27398396379494 is a deficient number, since it is larger than the sum of its proper divisors (19570676132794).

27398396379494 is a wasteful number, since it uses less digits than its factorization.

27398396379494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16375199.

The product of its digits is 13332791808, while the sum is 83.

The spelling of 27398396379494 in words is "twenty-seven trillion, three hundred ninety-eight billion, three hundred ninety-six million, three hundred seventy-nine thousand, four hundred ninety-four".