619703997 has 16 divisors (see below), whose sum is σ = 910684992. Its totient is φ = 371704320.

The previous prime is 619703957. The next prime is 619704023. The reversal of 619703997 is 799307916.

It is not a de Polignac number, because 619703997 - 2⁷ = 619703869 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (619703957) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 93598 + ... + 99999.

It is an arithmetic number, because the mean of its divisors is an integer number (56917812).

Almost surely, 2^619703997 is an apocalyptic number.

It is an amenable number.

619703997 is a deficient number, since it is larger than the sum of its proper divisors (290980995).

619703997 is a wasteful number, since it uses less digits than its factorization.

619703997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193708.

The product of its (nonzero) digits is 642978, while the sum is 51.

The square root of 619703997 is about 24893.8546030943. The cubic root of 619703997 is about 852.5661765549.

The spelling of 619703997 in words is "six hundred nineteen million, seven hundred three thousand, nine hundred ninety-seven".