6212913778 has 32 divisors (see below), whose sum is σ = 10280649600. Its totient is φ = 2802830976.

The previous prime is 6212913739. The next prime is 6212913809. The reversal of 6212913778 is 8773192126.

It is a super-2 number, since 2×6212913778² = 77200595225724466568, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 188388 + ... + 218896.

It is an arithmetic number, because the mean of its divisors is an integer number (321270300).

Almost surely, 2^6212913778 is an apocalyptic number.

6212913778 is a deficient number, since it is larger than the sum of its proper divisors (4067735822).

6212913778 is a wasteful number, since it uses less digits than its factorization.

6212913778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30786.

The product of its digits is 254016, while the sum is 46.

The square root of 6212913778 is about 78822.0386567107. The cubic root of 6212913778 is about 1838.3651375088.

The spelling of 6212913778 in words is "six billion, two hundred twelve million, nine hundred thirteen thousand, seven hundred seventy-eight".