1481073678397 has 2 divisors, whose sum is σ = 1481073678398. Its totient is φ = 1481073678396.

The previous prime is 1481073678251. The next prime is 1481073678407. The reversal of 1481073678397 is 7938763701841.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1341656573401 + 139417104996 = 1158299^2 + 373386^2 .

It is a cyclic number.

It is not a de Polignac number, because 1481073678397 - 2¹⁵ = 1481073645629 is a prime.

It is a super-3 number, since 3×1481073678397³ (a number of 37 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1481073688397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 740536839198 + 740536839199.

It is an arithmetic number, because the mean of its divisors is an integer number (740536839199).

Almost surely, 2^{1481073678397} is an apocalyptic number.

It is an amenable number.

1481073678397 is a deficient number, since it is larger than the sum of its proper divisors (1).

1481073678397 is an equidigital number, since it uses as much as digits as its factorization.

1481073678397 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 1481073678397 in words is "one trillion, four hundred eighty-one billion, seventy-three million, six hundred seventy-eight thousand, three hundred ninety-seven".