146621148979 has 2 divisors, whose sum is σ = 146621148980. Its totient is φ = 146621148978.

The previous prime is 146621148967. The next prime is 146621148983. The reversal of 146621148979 is 979841126641.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 146621148979 - 2⁹ = 146621148467 is a prime.

It is a super-2 number, since 2×146621148979² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (146621148929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73310574489 + 73310574490.

It is an arithmetic number, because the mean of its divisors is an integer number (73310574490).

Almost surely, 2^146621148979 is an apocalyptic number.

146621148979 is a deficient number, since it is larger than the sum of its proper divisors (1).

146621148979 is an equidigital number, since it uses as much as digits as its factorization.

146621148979 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5225472, while the sum is 58.

The spelling of 146621148979 in words is "one hundred forty-six billion, six hundred twenty-one million, one hundred forty-eight thousand, nine hundred seventy-nine".