6308994945 has 64 divisors (see below), whose sum is σ = 11363659776. Its totient is φ = 2962606080.

The previous prime is 6308994943. The next prime is 6308994947. The reversal of 6308994945 is 5494998036.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (6308994943) and next prime (6308994947).

It is not a de Polignac number, because 6308994945 - 2¹ = 6308994943 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6308994941) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 748042 + ... + 756428.

It is an arithmetic number, because the mean of its divisors is an integer number (177557184).

Almost surely, 2^6308994945 is an apocalyptic number.

It is an amenable number.

6308994945 is a deficient number, since it is larger than the sum of its proper divisors (5054664831).

6308994945 is a wasteful number, since it uses less digits than its factorization.

6308994945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8550.

The product of its (nonzero) digits is 8398080, while the sum is 57.

The square root of 6308994945 is about 79429.1819484502. The cubic root of 6308994945 is about 1847.7933216862.

The spelling of 6308994945 in words is "six billion, three hundred eight million, nine hundred ninety-four thousand, nine hundred forty-five".