147620628997 has 2 divisors, whose sum is σ = 147620628998. Its totient is φ = 147620628996.

The previous prime is 147620628989. The next prime is 147620629043. The reversal of 147620628997 is 799826026741.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 90327898116 + 57292730881 = 300546^2 + 239359^2 .

It is a cyclic number.

It is not a de Polignac number, because 147620628997 - 2³ = 147620628989 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (147620628917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73810314498 + 73810314499.

It is an arithmetic number, because the mean of its divisors is an integer number (73810314499).

Almost surely, 2^147620628997 is an apocalyptic number.

It is an amenable number.

147620628997 is a deficient number, since it is larger than the sum of its proper divisors (1).

147620628997 is an equidigital number, since it uses as much as digits as its factorization.

147620628997 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18289152, while the sum is 61.

The spelling of 147620628997 in words is "one hundred forty-seven billion, six hundred twenty million, six hundred twenty-eight thousand, nine hundred ninety-seven".