1979426700241 has 9 divisors (see below), whose sum is σ = 1985462406921. Its totient is φ = 1973409299124.

The previous prime is 1979426700233. The next prime is 1979426700253. The reversal of 1979426700241 is 1420076249791.

It is a happy number.

The square root of 1979426700241 is 1406921.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 1979426700241 - 2³ = 1979426700233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1979426700211) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 505082680 + ... + 505086598.

Almost surely, 2^{1979426700241} is an apocalyptic number.

1979426700241 is the 1406921-st square number.

1979426700241 is the 703461-st centered octagonal number.

It is an amenable number.

1979426700241 is a deficient number, since it is larger than the sum of its proper divisors (6035706680).

1979426700241 is an frugal number, since it uses more digits than its factorization.

1979426700241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8556 (or 4278 counting only the distinct ones).

The product of its (nonzero) digits is 1524096, while the sum is 52.

The spelling of 1979426700241 in words is "one trillion, nine hundred seventy-nine billion, four hundred twenty-six million, seven hundred thousand, two hundred forty-one".