1377038089969 has 4 divisors (see below), whose sum is σ = 1436909311296. Its totient is φ = 1317166868644.

The previous prime is 1377038089951. The next prime is 1377038089981. The reversal of 1377038089969 is 9699808307731.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1377038089969 - 2²¹ = 1377035992817 is a prime.

It is a super-2 number, since 2×1377038089969² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1377038089898 and 1377038089907.

It is not an unprimeable number, because it can be changed into a prime (1377038089069) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29935610629 + ... + 29935610674.

It is an arithmetic number, because the mean of its divisors is an integer number (359227327824).

Almost surely, 2^{1377038089969} is an apocalyptic number.

It is an amenable number.

1377038089969 is a deficient number, since it is larger than the sum of its proper divisors (59871221327).

1377038089969 is an equidigital number, since it uses as much as digits as its factorization.

1377038089969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59871221326.

The product of its (nonzero) digits is 123451776, while the sum is 70.

The spelling of 1377038089969 in words is "one trillion, three hundred seventy-seven billion, thirty-eight million, eighty-nine thousand, nine hundred sixty-nine".