1974662048531 has 2 divisors, whose sum is σ = 1974662048532. Its totient is φ = 1974662048530.

The previous prime is 1974662048521. The next prime is 1974662048539. The reversal of 1974662048531 is 1358402664791.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (1358402664791) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1974662048531 - 2³⁴ = 1957482179347 is a prime.

It is a super-2 number, since 2×1974662048531² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1974662048539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 987331024265 + 987331024266.

It is an arithmetic number, because the mean of its divisors is an integer number (987331024266).

It is a 1-persistent number, because it is pandigital, but 2⋅1974662048531 = 3949324097062 is not.

Almost surely, 2^{1974662048531} is an apocalyptic number.

1974662048531 is a deficient number, since it is larger than the sum of its proper divisors (1).

1974662048531 is an equidigital number, since it uses as much as digits as its factorization.

1974662048531 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8709120, while the sum is 56.

The spelling of 1974662048531 in words is "one trillion, nine hundred seventy-four billion, six hundred sixty-two million, forty-eight thousand, five hundred thirty-one".