1379769732547 has 2 divisors, whose sum is σ = 1379769732548. Its totient is φ = 1379769732546.

The previous prime is 1379769732479. The next prime is 1379769732559. The reversal of 1379769732547 is 7452379679731.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1379769732547 - 2³⁹ = 830013918659 is a prime.

It is a super-2 number, since 2×1379769732547² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1379769732577) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 689884866273 + 689884866274.

It is an arithmetic number, because the mean of its divisors is an integer number (689884866274).

Almost surely, 2^{1379769732547} is an apocalyptic number.

1379769732547 is a deficient number, since it is larger than the sum of its proper divisors (1).

1379769732547 is an equidigital number, since it uses as much as digits as its factorization.

1379769732547 is an evil number, because the sum of its binary digits is even.

The product of its digits is 420078960, while the sum is 70.

The spelling of 1379769732547 in words is "one trillion, three hundred seventy-nine billion, seven hundred sixty-nine million, seven hundred thirty-two thousand, five hundred forty-seven".