2153077466 has 4 divisors (see below), whose sum is σ = 3229616202. Its totient is φ = 1076538732.

The previous prime is 2153077463. The next prime is 2153077481. The reversal of 2153077466 is 6647703512.

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

It can be written as a sum of positive squares in only one way, i.e., 2100297241 + 52780225 = 45829^2 + 7265^2 .

It is a super-3 number, since 3×2153077466³ (a number of 29 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (2153077463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 538269365 + ... + 538269368.

Almost surely, 2^2153077466 is an apocalyptic number.

2153077466 is a deficient number, since it is larger than the sum of its proper divisors (1076538736).

2153077466 is a wasteful number, since it uses less digits than its factorization.

2153077466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1076538735.

The product of its (nonzero) digits is 211680, while the sum is 41.

The square root of 2153077466 is about 46401.2657801487. The cubic root of 2153077466 is about 1291.2783965664.

The spelling of 2153077466 in words is "two billion, one hundred fifty-three million, seventy-seven thousand, four hundred sixty-six".