612419623 has 2 divisors, whose sum is σ = 612419624. Its totient is φ = 612419622.

The previous prime is 612419617. The next prime is 612419699. The reversal of 612419623 is 326914216.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 612419623 - 2¹³ = 612411431 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (612419603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 306209811 + 306209812.

It is an arithmetic number, because the mean of its divisors is an integer number (306209812).

Almost surely, 2^612419623 is an apocalyptic number.

612419623 is a deficient number, since it is larger than the sum of its proper divisors (1).

612419623 is an equidigital number, since it uses as much as digits as its factorization.

612419623 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15552, while the sum is 34.

The square root of 612419623 is about 24747.1134276303. The cubic root of 612419623 is about 849.2124761218.

The spelling of 612419623 in words is "six hundred twelve million, four hundred nineteen thousand, six hundred twenty-three".