1699426126141 has 8 divisors (see below), whose sum is σ = 1700164037880. Its totient is φ = 1698688324608.

The previous prime is 1699426126109. The next prime is 1699426126147. The reversal of 1699426126141 is 1416216249961.

It can be written as a sum of positive squares in 4 ways, for example, as 1799541241 + 1697626584900 = 42421^2 + 1302930^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1699426126141 - 2⁵ = 1699426126109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1699426126147) 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, 47403075 + ... + 47438911.

It is an arithmetic number, because the mean of its divisors is an integer number (212520504735).

Almost surely, 2^{1699426126141} is an apocalyptic number.

It is an amenable number.

1699426126141 is a deficient number, since it is larger than the sum of its proper divisors (737911739).

1699426126141 is a wasteful number, since it uses less digits than its factorization.

1699426126141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55103.

The product of its digits is 1119744, while the sum is 52.

The spelling of 1699426126141 in words is "one trillion, six hundred ninety-nine billion, four hundred twenty-six million, one hundred twenty-six thousand, one hundred forty-one".