1381692043 has 2 divisors, whose sum is σ = 1381692044. Its totient is φ = 1381692042.

The previous prime is 1381691939. The next prime is 1381692061. The reversal of 1381692043 is 3402961831.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1381692043 - 2²⁵ = 1348137611 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1381691993 and 1381692011.

It is not a weakly prime, because it can be changed into another prime (1381692083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 690846021 + 690846022.

It is an arithmetic number, because the mean of its divisors is an integer number (690846022).

Almost surely, 2^1381692043 is an apocalyptic number.

1381692043 is a deficient number, since it is larger than the sum of its proper divisors (1).

1381692043 is an equidigital number, since it uses as much as digits as its factorization.

1381692043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31104, while the sum is 37.

The square root of 1381692043 is about 37171.1183985632. The cubic root of 1381692043 is about 1113.7911229364.

The spelling of 1381692043 in words is "one billion, three hundred eighty-one million, six hundred ninety-two thousand, forty-three".