2691098914442 has 4 divisors (see below), whose sum is σ = 4036648371666. Its totient is φ = 1345549457220.

The previous prime is 2691098914423. The next prime is 2691098914451. The reversal of 2691098914442 is 2444198901962.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2365810058161 + 325288856281 = 1538119^2 + 570341^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 672774728609 + ... + 672774728612.

Almost surely, 2^{2691098914442} is an apocalyptic number.

2691098914442 is a deficient number, since it is larger than the sum of its proper divisors (1345549457224).

2691098914442 is a wasteful number, since it uses less digits than its factorization.

2691098914442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1345549457223.

The product of its (nonzero) digits is 8957952, while the sum is 59.

The spelling of 2691098914442 in words is "two trillion, six hundred ninety-one billion, ninety-eight million, nine hundred fourteen thousand, four hundred forty-two".