612101963 has 4 divisors (see below), whose sum is σ = 667747608. Its totient is φ = 556456320.

The previous prime is 612101933. The next prime is 612101969. The reversal of 612101963 is 369101216.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 612101963 - 2⁶ = 612101899 is a prime.

It is not an unprimeable number, because it can be changed into a prime (612101969) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27822806 + ... + 27822827.

It is an arithmetic number, because the mean of its divisors is an integer number (166936902).

Almost surely, 2^612101963 is an apocalyptic number.

612101963 is a deficient number, since it is larger than the sum of its proper divisors (55645645).

612101963 is a wasteful number, since it uses less digits than its factorization.

612101963 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55645644.

The product of its (nonzero) digits is 1944, while the sum is 29.

The square root of 612101963 is about 24740.6944728720. The cubic root of 612101963 is about 849.0656228425.

The spelling of 612101963 in words is "six hundred twelve million, one hundred one thousand, nine hundred sixty-three".