1370778107497 has 2 divisors, whose sum is σ = 1370778107498. Its totient is φ = 1370778107496.

The previous prime is 1370778107441. The next prime is 1370778107527. The reversal of 1370778107497 is 7947018770731.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1139675813136 + 231102294361 = 1067556^2 + 480731^2 .

It is a cyclic number.

It is not a de Polignac number, because 1370778107497 - 2¹⁹ = 1370777583209 is a prime.

It is not a weakly prime, because it can be changed into another prime (1370778104497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 685389053748 + 685389053749.

It is an arithmetic number, because the mean of its divisors is an integer number (685389053749).

Almost surely, 2^{1370778107497} is an apocalyptic number.

It is an amenable number.

1370778107497 is a deficient number, since it is larger than the sum of its proper divisors (1).

1370778107497 is an equidigital number, since it uses as much as digits as its factorization.

1370778107497 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14521248, while the sum is 61.

The spelling of 1370778107497 in words is "one trillion, three hundred seventy billion, seven hundred seventy-eight million, one hundred seven thousand, four hundred ninety-seven".