1262625001373 has 2 divisors, whose sum is σ = 1262625001374. Its totient is φ = 1262625001372.

The previous prime is 1262625001271. The next prime is 1262625001399. The reversal of 1262625001373 is 3731005262621.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1231684894969 + 30940106404 = 1109813^2 + 175898^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1262625001373 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1262625001973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 631312500686 + 631312500687.

It is an arithmetic number, because the mean of its divisors is an integer number (631312500687).

Almost surely, 2^{1262625001373} is an apocalyptic number.

It is an amenable number.

1262625001373 is a deficient number, since it is larger than the sum of its proper divisors (1).

1262625001373 is an equidigital number, since it uses as much as digits as its factorization.

1262625001373 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 90720, while the sum is 38.

The spelling of 1262625001373 in words is "one trillion, two hundred sixty-two billion, six hundred twenty-five million, one thousand, three hundred seventy-three".