70853963 has 2 divisors, whose sum is σ = 70853964. Its totient is φ = 70853962.

The previous prime is 70853929. The next prime is 70853969. The reversal of 70853963 is 36935807.

It is a strong prime.

It is an emirp because it is prime and its reverse (36935807) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-70853963 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 70853963.

It is not a weakly prime, because it can be changed into another prime (70853969) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35426981 + 35426982.

It is an arithmetic number, because the mean of its divisors is an integer number (35426982).

Almost surely, 2^70853963 is an apocalyptic number.

70853963 is a deficient number, since it is larger than the sum of its proper divisors (1).

70853963 is an equidigital number, since it uses as much as digits as its factorization.

70853963 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 136080, while the sum is 41.

The square root of 70853963 is about 8417.4796109049. The cubic root of 70853963 is about 413.7976774404.

The spelling of 70853963 in words is "seventy million, eight hundred fifty-three thousand, nine hundred sixty-three".