150978484709 has 4 divisors (see below), whose sum is σ = 162592214316. Its totient is φ = 139364755104.

The previous prime is 150978484687. The next prime is 150978484751. The reversal of 150978484709 is 907484879051.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 14411282209 + 136567202500 = 120047^2 + 369550^2 .

It is a cyclic number.

It is not a de Polignac number, because 150978484709 - 2¹² = 150978480613 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (150978484409) 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, 5806864784 + ... + 5806864809.

It is an arithmetic number, because the mean of its divisors is an integer number (40648053579).

Almost surely, 2^150978484709 is an apocalyptic number.

It is an amenable number.

150978484709 is a deficient number, since it is larger than the sum of its proper divisors (11613729607).

150978484709 is a wasteful number, since it uses less digits than its factorization.

150978484709 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11613729606.

The product of its (nonzero) digits is 20321280, while the sum is 62.

The spelling of 150978484709 in words is "one hundred fifty billion, nine hundred seventy-eight million, four hundred eighty-four thousand, seven hundred nine".