1969106431 has 2 divisors, whose sum is σ = 1969106432. Its totient is φ = 1969106430.

The previous prime is 1969106423. The next prime is 1969106443. The reversal of 1969106431 is 1346019691.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (1346019691) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1969106431 - 2³ = 1969106423 is a prime.

It is a super-2 number, since 2×1969106431² = 7754760273211115522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1969106411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 984553215 + 984553216.

It is an arithmetic number, because the mean of its divisors is an integer number (984553216).

Almost surely, 2^1969106431 is an apocalyptic number.

1969106431 is a deficient number, since it is larger than the sum of its proper divisors (1).

1969106431 is an equidigital number, since it uses as much as digits as its factorization.

1969106431 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34992, while the sum is 40.

The square root of 1969106431 is about 44374.6147138203. The cubic root of 1969106431 is about 1253.4001149357.

The spelling of 1969106431 in words is "one billion, nine hundred sixty-nine million, one hundred six thousand, four hundred thirty-one".