26972493394 has 16 divisors (see below), whose sum is σ = 50442065856. Its totient is φ = 10508763600.

The previous prime is 26972493377. The next prime is 26972493409. The reversal of 26972493394 is 49339427962.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87572877 + ... + 87573184.

It is an arithmetic number, because the mean of its divisors is an integer number (3152629116).

Almost surely, 2^26972493394 is an apocalyptic number.

26972493394 is a deficient number, since it is larger than the sum of its proper divisors (23469572462).

26972493394 is a wasteful number, since it uses less digits than its factorization.

26972493394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175146081.

The product of its digits is 17635968, while the sum is 58.

The spelling of 26972493394 in words is "twenty-six billion, nine hundred seventy-two million, four hundred ninety-three thousand, three hundred ninety-four".