151919659397 has 4 divisors (see below), whose sum is σ = 165730537536. Its totient is φ = 138108781260.

The previous prime is 151919659391. The next prime is 151919659403. The reversal of 151919659397 is 793956919151.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (151919659391) and next prime (151919659403).

It is a cyclic number.

It is not a de Polignac number, because 151919659397 - 2³² = 147624692101 is a prime.

It is a super-2 number, since 2×151919659397² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (151919659391) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6905439053 + ... + 6905439074.

It is an arithmetic number, because the mean of its divisors is an integer number (41432634384).

Almost surely, 2^151919659397 is an apocalyptic number.

It is an amenable number.

151919659397 is a deficient number, since it is larger than the sum of its proper divisors (13810878139).

151919659397 is a wasteful number, since it uses less digits than its factorization.

151919659397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13810878138.

The product of its digits is 20667150, while the sum is 65.

The spelling of 151919659397 in words is "one hundred fifty-one billion, nine hundred nineteen million, six hundred fifty-nine thousand, three hundred ninety-seven".