1492211719961 has 4 divisors (see below), whose sum is σ = 1492778457012. Its totient is φ = 1491644982912.

The previous prime is 1492211719939. The next prime is 1492211719967. The reversal of 1492211719961 is 1699171122941.

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

It can be written as a sum of positive squares in 2 ways, for example, as 523207735561 + 969003984400 = 723331^2 + 984380^2 .

It is a cyclic number.

It is not a de Polignac number, because 1492211719961 - 2⁶ = 1492211719897 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1492211719967) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 283364576 + ... + 283369841.

It is an arithmetic number, because the mean of its divisors is an integer number (373194614253).

Almost surely, 2^{1492211719961} is an apocalyptic number.

It is an amenable number.

1492211719961 is a deficient number, since it is larger than the sum of its proper divisors (566737051).

1492211719961 is an equidigital number, since it uses as much as digits as its factorization.

1492211719961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 566737050.

The product of its digits is 489888, while the sum is 53.

The spelling of 1492211719961 in words is "one trillion, four hundred ninety-two billion, two hundred eleven million, seven hundred nineteen thousand, nine hundred sixty-one".