69973963 has 2 divisors, whose sum is σ = 69973964. Its totient is φ = 69973962.

The previous prime is 69973951. The next prime is 69973987. The reversal of 69973963 is 36937996.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-69973963 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 69973963.

It is not a weakly prime, because it can be changed into another prime (69973933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34986981 + 34986982.

It is an arithmetic number, because the mean of its divisors is an integer number (34986982).

Almost surely, 2^69973963 is an apocalyptic number.

69973963 is a deficient number, since it is larger than the sum of its proper divisors (1).

69973963 is an equidigital number, since it uses as much as digits as its factorization.

69973963 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1653372, while the sum is 52.

The square root of 69973963 is about 8365.0441122567. The cubic root of 69973963 is about 412.0774255940.

The spelling of 69973963 in words is "sixty-nine million, nine hundred seventy-three thousand, nine hundred sixty-three".