32990467651 has 4 divisors (see below), whose sum is σ = 32996820832. Its totient is φ = 32984114472.

The previous prime is 32990467639. The next prime is 32990467663. The reversal of 32990467651 is 15676409923.

It is a happy number.

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

It is an interprime number because it is at equal distance from previous prime (32990467639) and next prime (32990467663).

It is a cyclic number.

It is not a de Polignac number, because 32990467651 - 2¹⁷ = 32990336579 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (32990467351) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3168795 + ... + 3179188.

It is an arithmetic number, because the mean of its divisors is an integer number (8249205208).

Almost surely, 2^32990467651 is an apocalyptic number.

32990467651 is a deficient number, since it is larger than the sum of its proper divisors (6353181).

32990467651 is an equidigital number, since it uses as much as digits as its factorization.

32990467651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6353180.

The product of its (nonzero) digits is 2449440, while the sum is 52.

The spelling of 32990467651 in words is "thirty-two billion, nine hundred ninety million, four hundred sixty-seven thousand, six hundred fifty-one".