620497158149 has 8 divisors (see below), whose sum is σ = 676917502848. Its totient is φ = 564078732160.

The previous prime is 620497158137. The next prime is 620497158179. The reversal of 620497158149 is 941851794026.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 620497158149 - 2⁸ = 620497157893 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 620497158094 and 620497158103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (620497158179) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 243989 + ... + 1140405.

It is an arithmetic number, because the mean of its divisors is an integer number (84614687856).

Almost surely, 2^620497158149 is an apocalyptic number.

It is an amenable number.

620497158149 is a deficient number, since it is larger than the sum of its proper divisors (56420344699).

620497158149 is a wasteful number, since it uses less digits than its factorization.

620497158149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 959355.

The product of its (nonzero) digits is 4354560, while the sum is 56.

The spelling of 620497158149 in words is "six hundred twenty billion, four hundred ninety-seven million, one hundred fifty-eight thousand, one hundred forty-nine".