6690977403 has 32 divisors (see below), whose sum is σ = 10173980160. Its totient is φ = 3871760640.

The previous prime is 6690977341. The next prime is 6690977417. The reversal of 6690977403 is 3047790966.

It is not a de Polignac number, because 6690977403 - 2⁶ = 6690977339 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6690972403) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 424125 + ... + 439617.

It is an arithmetic number, because the mean of its divisors is an integer number (317936880).

Almost surely, 2^6690977403 is an apocalyptic number.

6690977403 is a deficient number, since it is larger than the sum of its proper divisors (3483002757).

6690977403 is a wasteful number, since it uses less digits than its factorization.

6690977403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16099.

The product of its (nonzero) digits is 1714608, while the sum is 51.

The square root of 6690977403 is about 81798.3948681146. The cubic root of 6690977403 is about 1884.3570104424.

The spelling of 6690977403 in words is "six billion, six hundred ninety million, nine hundred seventy-seven thousand, four hundred three".