1742903488957 has 2 divisors, whose sum is σ = 1742903488958. Its totient is φ = 1742903488956.

The previous prime is 1742903488877. The next prime is 1742903488973. The reversal of 1742903488957 is 7598843092471.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1522704172441 + 220199316516 = 1233979^2 + 469254^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1742903488957 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1742903488892 and 1742903488901.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1742903488057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 871451744478 + 871451744479.

It is an arithmetic number, because the mean of its divisors is an integer number (871451744479).

Almost surely, 2^{1742903488957} is an apocalyptic number.

It is an amenable number.

1742903488957 is a deficient number, since it is larger than the sum of its proper divisors (1).

1742903488957 is an equidigital number, since it uses as much as digits as its factorization.

1742903488957 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 121927680, while the sum is 67.

The spelling of 1742903488957 in words is "one trillion, seven hundred forty-two billion, nine hundred three million, four hundred eighty-eight thousand, nine hundred fifty-seven".