377132047421 has 4 divisors (see below), whose sum is σ = 380010918144. Its totient is φ = 374253176700.

The previous prime is 377132047417. The next prime is 377132047423. The reversal of 377132047421 is 124740231773.

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, and also an emirpimes, since its reverse is a distinct semiprime: 124740231773 = 246473 ⋅506101.

It is a cyclic number.

It is not a de Polignac number, because 377132047421 - 2² = 377132047417 is a prime.

It is a super-3 number, since 3×377132047421³ (a number of 36 digits) contains 333 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 (377132047423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1439435165 + ... + 1439435426.

It is an arithmetic number, because the mean of its divisors is an integer number (95002729536).

Almost surely, 2^377132047421 is an apocalyptic number.

It is an amenable number.

377132047421 is a deficient number, since it is larger than the sum of its proper divisors (2878870723).

377132047421 is a wasteful number, since it uses less digits than its factorization.

377132047421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2878870722.

The product of its (nonzero) digits is 197568, while the sum is 41.

The spelling of 377132047421 in words is "three hundred seventy-seven billion, one hundred thirty-two million, forty-seven thousand, four hundred twenty-one".