9649112390 has 16 divisors (see below), whose sum is σ = 17928673920. Its totient is φ = 3735140160.

The previous prime is 9649112357. The next prime is 9649112423. The reversal of 9649112390 is 932119469.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (9649112357) and next prime (9649112423).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15562775 + ... + 15563394.

It is an arithmetic number, because the mean of its divisors is an integer number (1120542120).

Almost surely, 2^9649112390 is an apocalyptic number.

9649112390 is a deficient number, since it is larger than the sum of its proper divisors (8279561530).

9649112390 is a wasteful number, since it uses less digits than its factorization.

9649112390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31126207.

The product of its (nonzero) digits is 104976, while the sum is 44.

The square root of 9649112390 is about 98229.8956021027. The cubic root of 9649112390 is about 2128.9352602769.

The spelling of 9649112390 in words is "nine billion, six hundred forty-nine million, one hundred twelve thousand, three hundred ninety".