1976371488073 has 2 divisors, whose sum is σ = 1976371488074. Its totient is φ = 1976371488072.

The previous prime is 1976371487989. The next prime is 1976371488089. The reversal of 1976371488073 is 3708841736791.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1689147307584 + 287224180489 = 1299672^2 + 535933^2 .

It is an emirp because it is prime and its reverse (3708841736791) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1976371488073 - 2⁹ = 1976371487561 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1976371487996 and 1976371488014.

It is not a weakly prime, because it can be changed into another prime (1976371408073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 988185744036 + 988185744037.

It is an arithmetic number, because the mean of its divisors is an integer number (988185744037).

Almost surely, 2^{1976371488073} is an apocalyptic number.

It is an amenable number.

1976371488073 is a deficient number, since it is larger than the sum of its proper divisors (1).

1976371488073 is an equidigital number, since it uses as much as digits as its factorization.

1976371488073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 42674688, while the sum is 64.

The spelling of 1976371488073 in words is "one trillion, nine hundred seventy-six billion, three hundred seventy-one million, four hundred eighty-eight thousand, seventy-three".